Home / 13,479,892.90-20,219,839.35-8,944,929.70

Finding the Fourth Proportional to 13,479,892.90, 20,219,839.35 and 8,944,929.70

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Solution

The fourth proportional to 13,479,892.90, 20,219,839.35 and 8,944,929.70 is: 13,417,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,892.90 : 20,219,839.35 = 8,944,929.70 : x
  2. Step 2: Convert to fraction form
    13,479,892.90/20,219,839.35 = 8,944,929.70/x
  3. Step 3: Cross multiply
    13,479,892.90x = 20,219,839.35 × 8,944,929.70
  4. Step 4: Simplify right side
    13,479,892.90x = 180,865,041,531,043.69
  5. Step 5: Solve for x
    x = 180,865,041,531,043.69/13,479,892.90
  6. Step 6: Final answer
    x = 13,417,394.55

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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.