Home / 20,539,575.40-28,345,499.62-11,372,217.96

Finding the Fourth Proportional to 20,539,575.40, 28,345,499.62 and 11,372,217.96

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Solution

The fourth proportional to 20,539,575.40, 28,345,499.62 and 11,372,217.96 is: 15,694,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539,575.40 : 28,345,499.62 = 11,372,217.96 : x
  2. Step 2: Convert to fraction form
    20,539,575.40/28,345,499.62 = 11,372,217.96/x
  3. Step 3: Cross multiply
    20,539,575.40x = 28,345,499.62 × 11,372,217.96
  4. Step 4: Simplify right side
    20,539,575.40x = 322,351,199,863,737.19
  5. Step 5: Solve for x
    x = 322,351,199,863,737.19/20,539,575.40
  6. Step 6: Final answer
    x = 15,694,151.10

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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.