Home / 20,227,320.90-30,340,981.35-13,424,876.10

Finding the Fourth Proportional to 20,227,320.90, 30,340,981.35 and 13,424,876.10

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Solution

The fourth proportional to 20,227,320.90, 30,340,981.35 and 13,424,876.10 is: 20,137,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,320.90 : 30,340,981.35 = 13,424,876.10 : x
  2. Step 2: Convert to fraction form
    20,227,320.90/30,340,981.35 = 13,424,876.10/x
  3. Step 3: Cross multiply
    20,227,320.90x = 30,340,981.35 × 13,424,876.10
  4. Step 4: Simplify right side
    20,227,320.90x = 407,323,915,376,160.75
  5. Step 5: Solve for x
    x = 407,323,915,376,160.75/20,227,320.90
  6. Step 6: Final answer
    x = 20,137,314.15

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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.