Home / 12,103,618.70-18,134,432.85-7,841,593.10

Finding the Fourth Proportional to 12,103,618.70, 18,134,432.85 and 7,841,593.10

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Solution

The fourth proportional to 12,103,618.70, 18,134,432.85 and 7,841,593.10 is: 11,748,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,618.70 : 18,134,432.85 = 7,841,593.10 : x
  2. Step 2: Convert to fraction form
    12,103,618.70/18,134,432.85 = 7,841,593.10/x
  3. Step 3: Cross multiply
    12,103,618.70x = 18,134,432.85 × 7,841,593.10
  4. Step 4: Simplify right side
    12,103,618.70x = 142,202,843,508,973.34
  5. Step 5: Solve for x
    x = 142,202,843,508,973.34/12,103,618.70
  6. Step 6: Final answer
    x = 11,748,787.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.