Home / 20,897,132.80-31,345,699.20-5,544,392.80

Finding the Fourth Proportional to 20,897,132.80, 31,345,699.20 and 5,544,392.80

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Solution

The fourth proportional to 20,897,132.80, 31,345,699.20 and 5,544,392.80 is: 8,316,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897,132.80 : 31,345,699.20 = 5,544,392.80 : x
  2. Step 2: Convert to fraction form
    20,897,132.80/31,345,699.20 = 5,544,392.80/x
  3. Step 3: Cross multiply
    20,897,132.80x = 31,345,699.20 × 5,544,392.80
  4. Step 4: Simplify right side
    20,897,132.80x = 173,792,868,955,445.75
  5. Step 5: Solve for x
    x = 173,792,868,955,445.75/20,897,132.80
  6. Step 6: Final answer
    x = 8,316,589.20

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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.