Home / 21,253,355.73-29,333,578.01-12,085,451.73

Finding the Fourth Proportional to 21,253,355.73, 29,333,578.01 and 12,085,451.73

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Solution

The fourth proportional to 21,253,355.73, 29,333,578.01 and 12,085,451.73 is: 16,680,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253,355.73 : 29,333,578.01 = 12,085,451.73 : x
  2. Step 2: Convert to fraction form
    21,253,355.73/29,333,578.01 = 12,085,451.73/x
  3. Step 3: Cross multiply
    21,253,355.73x = 29,333,578.01 × 12,085,451.73
  4. Step 4: Simplify right side
    21,253,355.73x = 354,509,541,047,617.19
  5. Step 5: Solve for x
    x = 354,509,541,047,617.19/21,253,355.73
  6. Step 6: Final answer
    x = 16,680,167.85

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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.