Home / 21,120,775.92-29,159,834.76-14,516,735.76

Finding the Fourth Proportional to 21,120,775.92, 29,159,834.76 and 14,516,735.76

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Solution

The fourth proportional to 21,120,775.92, 29,159,834.76 and 14,516,735.76 is: 20,042,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,120,775.92 : 29,159,834.76 = 14,516,735.76 : x
  2. Step 2: Convert to fraction form
    21,120,775.92/29,159,834.76 = 14,516,735.76/x
  3. Step 3: Cross multiply
    21,120,775.92x = 29,159,834.76 × 14,516,735.76
  4. Step 4: Simplify right side
    21,120,775.92x = 423,305,616,016,183.06
  5. Step 5: Solve for x
    x = 423,305,616,016,183.06/21,120,775.92
  6. Step 6: Final answer
    x = 20,042,143.23

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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.