Home / 18,720,151.38-25,834,806.83-10,460,414.17

Finding the Fourth Proportional to 18,720,151.38, 25,834,806.83 and 10,460,414.17

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Solution

The fourth proportional to 18,720,151.38, 25,834,806.83 and 10,460,414.17 is: 14,435,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,151.38 : 25,834,806.83 = 10,460,414.17 : x
  2. Step 2: Convert to fraction form
    18,720,151.38/25,834,806.83 = 10,460,414.17/x
  3. Step 3: Cross multiply
    18,720,151.38x = 25,834,806.83 × 10,460,414.17
  4. Step 4: Simplify right side
    18,720,151.38x = 270,242,779,356,868.53
  5. Step 5: Solve for x
    x = 270,242,779,356,868.53/18,720,151.38
  6. Step 6: Final answer
    x = 14,435,929.17

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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.