Home / 13,491,207.40-20,229,812.70-4,967,156.20

Finding the Fourth Proportional to 13,491,207.40, 20,229,812.70 and 4,967,156.20

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Solution

The fourth proportional to 13,491,207.40, 20,229,812.70 and 4,967,156.20 is: 7,448,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,207.40 : 20,229,812.70 = 4,967,156.20 : x
  2. Step 2: Convert to fraction form
    13,491,207.40/20,229,812.70 = 4,967,156.20/x
  3. Step 3: Cross multiply
    13,491,207.40x = 20,229,812.70 × 4,967,156.20
  4. Step 4: Simplify right side
    13,491,207.40x = 100,484,639,577,643.73
  5. Step 5: Solve for x
    x = 100,484,639,577,643.73/13,491,207.40
  6. Step 6: Final answer
    x = 7,448,157.65

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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.