Home / 7,479,468.55-11,219,538.72-2,291,697.90

Finding the Fourth Proportional to 7,479,468.55, 11,219,538.72 and 2,291,697.90

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Solution

The fourth proportional to 7,479,468.55, 11,219,538.72 and 2,291,697.90 is: 3,437,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,468.55 : 11,219,538.72 = 2,291,697.90 : x
  2. Step 2: Convert to fraction form
    7,479,468.55/11,219,538.72 = 2,291,697.90/x
  3. Step 3: Cross multiply
    7,479,468.55x = 11,219,538.72 × 2,291,697.90
  4. Step 4: Simplify right side
    7,479,468.55x = 25,711,793,332,186.55
  5. Step 5: Solve for x
    x = 25,711,793,332,186.55/7,479,468.55
  6. Step 6: Final answer
    x = 3,437,649.77

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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.