Home / 15,174,529,056.30-20,941,098,018.26-8,307,811,127.72

Finding the Fourth Proportional to 15,174,529,056.30, 20,941,098,018.26 and 8,307,811,127.72

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Solution

The fourth proportional to 15,174,529,056.30, 20,941,098,018.26 and 8,307,811,127.72 is: 11,464,915,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,529,056.30 : 20,941,098,018.26 = 8,307,811,127.72 : x
  2. Step 2: Convert to fraction form
    15,174,529,056.30/20,941,098,018.26 = 8,307,811,127.72/x
  3. Step 3: Cross multiply
    15,174,529,056.30x = 20,941,098,018.26 × 8,307,811,127.72
  4. Step 4: Simplify right side
    15,174,529,056.30x = 173,974,687,142,629,441,536
  5. Step 5: Solve for x
    x = 173,974,687,142,629,441,536/15,174,529,056.30
  6. Step 6: Final answer
    x = 11,464,915,088.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.