Home / 18,726,232.80-28,047,358.80-15,367,000.80

Finding the Fourth Proportional to 18,726,232.80, 28,047,358.80 and 15,367,000.80

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Solution

The fourth proportional to 18,726,232.80, 28,047,358.80 and 15,367,000.80 is: 23,016,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726,232.80 : 28,047,358.80 = 15,367,000.80 : x
  2. Step 2: Convert to fraction form
    18,726,232.80/28,047,358.80 = 15,367,000.80/x
  3. Step 3: Cross multiply
    18,726,232.80x = 28,047,358.80 × 15,367,000.80
  4. Step 4: Simplify right side
    18,726,232.80x = 431,003,785,117,487.06
  5. Step 5: Solve for x
    x = 431,003,785,117,487.06/18,726,232.80
  6. Step 6: Final answer
    x = 23,016,043.31

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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.