Home / 20,850,291.14-28,741,508.28-14,637,909.87

Finding the Fourth Proportional to 20,850,291.14, 28,741,508.28 and 14,637,909.87

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Solution

The fourth proportional to 20,850,291.14, 28,741,508.28 and 14,637,909.87 is: 20,177,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850,291.14 : 28,741,508.28 = 14,637,909.87 : x
  2. Step 2: Convert to fraction form
    20,850,291.14/28,741,508.28 = 14,637,909.87/x
  3. Step 3: Cross multiply
    20,850,291.14x = 28,741,508.28 × 14,637,909.87
  4. Step 4: Simplify right side
    20,850,291.14x = 420,715,607,730,498.69
  5. Step 5: Solve for x
    x = 420,715,607,730,498.69/20,850,291.14
  6. Step 6: Final answer
    x = 20,177,924.86

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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.