Home / 28,386,114.20-39,172,851.96-15,333,372.44

Finding the Fourth Proportional to 28,386,114.20, 39,172,851.96 and 15,333,372.44

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Solution

The fourth proportional to 28,386,114.20, 39,172,851.96 and 15,333,372.44 is: 21,160,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,114.20 : 39,172,851.96 = 15,333,372.44 : x
  2. Step 2: Convert to fraction form
    28,386,114.20/39,172,851.96 = 15,333,372.44/x
  3. Step 3: Cross multiply
    28,386,114.20x = 39,172,851.96 × 15,333,372.44
  4. Step 4: Simplify right side
    28,386,114.20x = 600,651,928,639,664
  5. Step 5: Solve for x
    x = 600,651,928,639,664/28,386,114.20
  6. Step 6: Final answer
    x = 21,160,061.73

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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.