Home / 16,680,121.56-23,006,698.92-15,307,897.52

Finding the Fourth Proportional to 16,680,121.56, 23,006,698.92 and 15,307,897.52

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Solution

The fourth proportional to 16,680,121.56, 23,006,698.92 and 15,307,897.52 is: 21,114,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680,121.56 : 23,006,698.92 = 15,307,897.52 : x
  2. Step 2: Convert to fraction form
    16,680,121.56/23,006,698.92 = 15,307,897.52/x
  3. Step 3: Cross multiply
    16,680,121.56x = 23,006,698.92 × 15,307,897.52
  4. Step 4: Simplify right side
    16,680,121.56x = 352,184,189,340,854.69
  5. Step 5: Solve for x
    x = 352,184,189,340,854.69/16,680,121.56
  6. Step 6: Final answer
    x = 21,114,006.16

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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.