Home / 18,690,312.24-28,035,281.28-5,910,819.12

Finding the Fourth Proportional to 18,690,312.24, 28,035,281.28 and 5,910,819.12

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Solution

The fourth proportional to 18,690,312.24, 28,035,281.28 and 5,910,819.12 is: 8,866,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,312.24 : 28,035,281.28 = 5,910,819.12 : x
  2. Step 2: Convert to fraction form
    18,690,312.24/28,035,281.28 = 5,910,819.12/x
  3. Step 3: Cross multiply
    18,690,312.24x = 28,035,281.28 × 5,910,819.12
  4. Step 4: Simplify right side
    18,690,312.24x = 165,711,476,624,402.09
  5. Step 5: Solve for x
    x = 165,711,476,624,402.09/18,690,312.24
  6. Step 6: Final answer
    x = 8,866,169.52

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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.