Home / 19,861,492.20-29,792,238.30-10,279,807.80

Finding the Fourth Proportional to 19,861,492.20, 29,792,238.30 and 10,279,807.80

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Solution

The fourth proportional to 19,861,492.20, 29,792,238.30 and 10,279,807.80 is: 15,419,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861,492.20 : 29,792,238.30 = 10,279,807.80 : x
  2. Step 2: Convert to fraction form
    19,861,492.20/29,792,238.30 = 10,279,807.80/x
  3. Step 3: Cross multiply
    19,861,492.20x = 29,792,238.30 × 10,279,807.80
  4. Step 4: Simplify right side
    19,861,492.20x = 306,258,483,655,798.75
  5. Step 5: Solve for x
    x = 306,258,483,655,798.75/19,861,492.20
  6. Step 6: Final answer
    x = 15,419,711.70

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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.