Home / 13,491,207.90-20,229,813.45-4,967,156.70

Finding the Fourth Proportional to 13,491,207.90, 20,229,813.45 and 4,967,156.70

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Solution

The fourth proportional to 13,491,207.90, 20,229,813.45 and 4,967,156.70 is: 7,448,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,207.90 : 20,229,813.45 = 4,967,156.70 : x
  2. Step 2: Convert to fraction form
    13,491,207.90/20,229,813.45 = 4,967,156.70/x
  3. Step 3: Cross multiply
    13,491,207.90x = 20,229,813.45 × 4,967,156.70
  4. Step 4: Simplify right side
    13,491,207.90x = 100,484,653,417,917.61
  5. Step 5: Solve for x
    x = 100,484,653,417,917.61/13,491,207.90
  6. Step 6: Final answer
    x = 7,448,158.40

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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.