Home / 13,126,920.18-19,690,221.88-3,410,673.43

Finding the Fourth Proportional to 13,126,920.18, 19,690,221.88 and 3,410,673.43

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Solution

The fourth proportional to 13,126,920.18, 19,690,221.88 and 3,410,673.43 is: 5,115,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,920.18 : 19,690,221.88 = 3,410,673.43 : x
  2. Step 2: Convert to fraction form
    13,126,920.18/19,690,221.88 = 3,410,673.43/x
  3. Step 3: Cross multiply
    13,126,920.18x = 19,690,221.88 × 3,410,673.43
  4. Step 4: Simplify right side
    13,126,920.18x = 67,156,916,598,468.41
  5. Step 5: Solve for x
    x = 67,156,916,598,468.41/13,126,920.18
  6. Step 6: Final answer
    x = 5,115,968.99

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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.