Home / 13,103,690.10-19,655,535.15-11,718,006.90

Finding the Fourth Proportional to 13,103,690.10, 19,655,535.15 and 11,718,006.90

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Solution

The fourth proportional to 13,103,690.10, 19,655,535.15 and 11,718,006.90 is: 17,577,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,690.10 : 19,655,535.15 = 11,718,006.90 : x
  2. Step 2: Convert to fraction form
    13,103,690.10/19,655,535.15 = 11,718,006.90/x
  3. Step 3: Cross multiply
    13,103,690.10x = 19,655,535.15 × 11,718,006.90
  4. Step 4: Simplify right side
    13,103,690.10x = 230,323,696,510,892.53
  5. Step 5: Solve for x
    x = 230,323,696,510,892.53/13,103,690.10
  6. Step 6: Final answer
    x = 17,577,010.35

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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.