Home / 25,761,704.80-38,647,222.80-12,949,967.20

Finding the Fourth Proportional to 25,761,704.80, 38,647,222.80 and 12,949,967.20

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Solution

The fourth proportional to 25,761,704.80, 38,647,222.80 and 12,949,967.20 is: 19,427,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761,704.80 : 38,647,222.80 = 12,949,967.20 : x
  2. Step 2: Convert to fraction form
    25,761,704.80/38,647,222.80 = 12,949,967.20/x
  3. Step 3: Cross multiply
    25,761,704.80x = 38,647,222.80 × 12,949,967.20
  4. Step 4: Simplify right side
    25,761,704.80x = 500,480,267,631,092.06
  5. Step 5: Solve for x
    x = 500,480,267,631,092.06/25,761,704.80
  6. Step 6: Final answer
    x = 19,427,296.12

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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.