Home / 19,861,491.70-29,792,237.55-10,279,807.30

Finding the Fourth Proportional to 19,861,491.70, 29,792,237.55 and 10,279,807.30

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Solution

The fourth proportional to 19,861,491.70, 29,792,237.55 and 10,279,807.30 is: 15,419,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861,491.70 : 29,792,237.55 = 10,279,807.30 : x
  2. Step 2: Convert to fraction form
    19,861,491.70/29,792,237.55 = 10,279,807.30/x
  3. Step 3: Cross multiply
    19,861,491.70x = 29,792,237.55 × 10,279,807.30
  4. Step 4: Simplify right side
    19,861,491.70x = 306,258,461,049,824.12
  5. Step 5: Solve for x
    x = 306,258,461,049,824.12/19,861,491.70
  6. Step 6: Final answer
    x = 15,419,710.95

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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.