Home / 13,604,997.60-18,774,188.10-8,448,248.43

Finding the Fourth Proportional to 13,604,997.60, 18,774,188.10 and 8,448,248.43

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Solution

The fourth proportional to 13,604,997.60, 18,774,188.10 and 8,448,248.43 is: 11,658,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,997.60 : 18,774,188.10 = 8,448,248.43 : x
  2. Step 2: Convert to fraction form
    13,604,997.60/18,774,188.10 = 8,448,248.43/x
  3. Step 3: Cross multiply
    13,604,997.60x = 18,774,188.10 × 8,448,248.43
  4. Step 4: Simplify right side
    13,604,997.60x = 158,609,005,140,349.69
  5. Step 5: Solve for x
    x = 158,609,005,140,349.69/13,604,997.60
  6. Step 6: Final answer
    x = 11,658,142.82

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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.