Home / 15,174,529,059.42-20,941,098,022.57-8,307,811,130.86

Finding the Fourth Proportional to 15,174,529,059.42, 20,941,098,022.57 and 8,307,811,130.86

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Solution

The fourth proportional to 15,174,529,059.42, 20,941,098,022.57 and 8,307,811,130.86 is: 11,464,915,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,529,059.42 : 20,941,098,022.57 = 8,307,811,130.86 : x
  2. Step 2: Convert to fraction form
    15,174,529,059.42/20,941,098,022.57 = 8,307,811,130.86/x
  3. Step 3: Cross multiply
    15,174,529,059.42x = 20,941,098,022.57 × 8,307,811,130.86
  4. Step 4: Simplify right side
    15,174,529,059.42x = 173,974,687,244,337,381,376
  5. Step 5: Solve for x
    x = 173,974,687,244,337,381,376/15,174,529,059.42
  6. Step 6: Final answer
    x = 11,464,915,093.12

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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.