Home / 7,934,920.68-11,892,419.10-4,291,505.32

Finding the Fourth Proportional to 7,934,920.68, 11,892,419.10 and 4,291,505.32

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Solution

The fourth proportional to 7,934,920.68, 11,892,419.10 and 4,291,505.32 is: 6,431,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934,920.68 : 11,892,419.10 = 4,291,505.32 : x
  2. Step 2: Convert to fraction form
    7,934,920.68/11,892,419.10 = 4,291,505.32/x
  3. Step 3: Cross multiply
    7,934,920.68x = 11,892,419.10 × 4,291,505.32
  4. Step 4: Simplify right side
    7,934,920.68x = 51,036,379,835,319.62
  5. Step 5: Solve for x
    x = 51,036,379,835,319.62/7,934,920.68
  6. Step 6: Final answer
    x = 6,431,870.20

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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.