Home / 14,258,412.80-21,387,619.20-10,479,276.80

Finding the Fourth Proportional to 14,258,412.80, 21,387,619.20 and 10,479,276.80

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Solution

The fourth proportional to 14,258,412.80, 21,387,619.20 and 10,479,276.80 is: 15,718,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,412.80 : 21,387,619.20 = 10,479,276.80 : x
  2. Step 2: Convert to fraction form
    14,258,412.80/21,387,619.20 = 10,479,276.80/x
  3. Step 3: Cross multiply
    14,258,412.80x = 21,387,619.20 × 10,479,276.80
  4. Step 4: Simplify right side
    14,258,412.80x = 224,126,781,689,794.56
  5. Step 5: Solve for x
    x = 224,126,781,689,794.56/14,258,412.80
  6. Step 6: Final answer
    x = 15,718,915.20

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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.