Home / 28,317,824.90-42,487,234.95-11,290,717.70

Finding the Fourth Proportional to 28,317,824.90, 42,487,234.95 and 11,290,717.70

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Solution

The fourth proportional to 28,317,824.90, 42,487,234.95 and 11,290,717.70 is: 16,940,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,824.90 : 42,487,234.95 = 11,290,717.70 : x
  2. Step 2: Convert to fraction form
    28,317,824.90/42,487,234.95 = 11,290,717.70/x
  3. Step 3: Cross multiply
    28,317,824.90x = 42,487,234.95 × 11,290,717.70
  4. Step 4: Simplify right side
    28,317,824.90x = 479,711,375,674,023.62
  5. Step 5: Solve for x
    x = 479,711,375,674,023.62/28,317,824.90
  6. Step 6: Final answer
    x = 16,940,262.09

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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.