Home / 28,547,114.16-39,394,917.78-15,494,372.34

Finding the Fourth Proportional to 28,547,114.16, 39,394,917.78 and 15,494,372.34

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Solution

The fourth proportional to 28,547,114.16, 39,394,917.78 and 15,494,372.34 is: 21,382,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,114.16 : 39,394,917.78 = 15,494,372.34 : x
  2. Step 2: Convert to fraction form
    28,547,114.16/39,394,917.78 = 15,494,372.34/x
  3. Step 3: Cross multiply
    28,547,114.16x = 39,394,917.78 × 15,494,372.34
  4. Step 4: Simplify right side
    28,547,114.16x = 610,399,524,387,006.25
  5. Step 5: Solve for x
    x = 610,399,524,387,006.25/28,547,114.16
  6. Step 6: Final answer
    x = 21,382,179.68

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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.