Home / 20,548,442.26-28,357,308.53-11,727,716.61

Finding the Fourth Proportional to 20,548,442.26, 28,357,308.53 and 11,727,716.61

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Solution

The fourth proportional to 20,548,442.26, 28,357,308.53 and 11,727,716.61 is: 16,184,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,442.26 : 28,357,308.53 = 11,727,716.61 : x
  2. Step 2: Convert to fraction form
    20,548,442.26/28,357,308.53 = 11,727,716.61/x
  3. Step 3: Cross multiply
    20,548,442.26x = 28,357,308.53 × 11,727,716.61
  4. Step 4: Simplify right side
    20,548,442.26x = 332,566,478,262,175.69
  5. Step 5: Solve for x
    x = 332,566,478,262,175.69/20,548,442.26
  6. Step 6: Final answer
    x = 16,184,510.44

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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.