Home / 20,737,686.40-31,102,382.40-9,954,966.40

Finding the Fourth Proportional to 20,737,686.40, 31,102,382.40 and 9,954,966.40

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Solution

The fourth proportional to 20,737,686.40, 31,102,382.40 and 9,954,966.40 is: 14,930,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,686.40 : 31,102,382.40 = 9,954,966.40 : x
  2. Step 2: Convert to fraction form
    20,737,686.40/31,102,382.40 = 9,954,966.40/x
  3. Step 3: Cross multiply
    20,737,686.40x = 31,102,382.40 × 9,954,966.40
  4. Step 4: Simplify right side
    20,737,686.40x = 309,623,171,751,951.38
  5. Step 5: Solve for x
    x = 309,623,171,751,951.38/20,737,686.40
  6. Step 6: Final answer
    x = 14,930,458.77

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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.