Home / 20,974,574.22-28,949,200.11-13,234,402.14

Finding the Fourth Proportional to 20,974,574.22, 28,949,200.11 and 13,234,402.14

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Solution

The fourth proportional to 20,974,574.22, 28,949,200.11 and 13,234,402.14 is: 18,266,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974,574.22 : 28,949,200.11 = 13,234,402.14 : x
  2. Step 2: Convert to fraction form
    20,974,574.22/28,949,200.11 = 13,234,402.14/x
  3. Step 3: Cross multiply
    20,974,574.22x = 28,949,200.11 × 13,234,402.14
  4. Step 4: Simplify right side
    20,974,574.22x = 383,125,355,887,072.25
  5. Step 5: Solve for x
    x = 383,125,355,887,072.25/20,974,574.22
  6. Step 6: Final answer
    x = 18,266,180.37

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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.