Home / 28,932,337.60-43,448,272.80-20,472,049.60

Finding the Fourth Proportional to 28,932,337.60, 43,448,272.80 and 20,472,049.60

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Solution

The fourth proportional to 28,932,337.60, 43,448,272.80 and 20,472,049.60 is: 30,743,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932,337.60 : 43,448,272.80 = 20,472,049.60 : x
  2. Step 2: Convert to fraction form
    28,932,337.60/43,448,272.80 = 20,472,049.60/x
  3. Step 3: Cross multiply
    28,932,337.60x = 43,448,272.80 × 20,472,049.60
  4. Step 4: Simplify right side
    28,932,337.60x = 889,475,195,795,930.88
  5. Step 5: Solve for x
    x = 889,475,195,795,930.88/28,932,337.60
  6. Step 6: Final answer
    x = 30,743,288.29

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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.