Home / 21,382,022.80-32,073,034.20-21,063,158.20

Finding the Fourth Proportional to 21,382,022.80, 32,073,034.20 and 21,063,158.20

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Solution

The fourth proportional to 21,382,022.80, 32,073,034.20 and 21,063,158.20 is: 31,594,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,022.80 : 32,073,034.20 = 21,063,158.20 : x
  2. Step 2: Convert to fraction form
    21,382,022.80/32,073,034.20 = 21,063,158.20/x
  3. Step 3: Cross multiply
    21,382,022.80x = 32,073,034.20 × 21,063,158.20
  4. Step 4: Simplify right side
    21,382,022.80x = 675,559,393,308,610.38
  5. Step 5: Solve for x
    x = 675,559,393,308,610.38/21,382,022.80
  6. Step 6: Final answer
    x = 31,594,737.30

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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.