Home / 18,381,281.60-27,559,154.28-8,140,560.96

Finding the Fourth Proportional to 18,381,281.60, 27,559,154.28 and 8,140,560.96

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Solution

The fourth proportional to 18,381,281.60, 27,559,154.28 and 8,140,560.96 is: 12,205,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,281.60 : 27,559,154.28 = 8,140,560.96 : x
  2. Step 2: Convert to fraction form
    18,381,281.60/27,559,154.28 = 8,140,560.96/x
  3. Step 3: Cross multiply
    18,381,281.60x = 27,559,154.28 × 8,140,560.96
  4. Step 4: Simplify right side
    18,381,281.60x = 224,346,975,422,384.91
  5. Step 5: Solve for x
    x = 224,346,975,422,384.91/18,381,281.60
  6. Step 6: Final answer
    x = 12,205,186.79

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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.