Home / 18,679,025.40-28,018,538.10-5,900,821.80

Finding the Fourth Proportional to 18,679,025.40, 28,018,538.10 and 5,900,821.80

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Solution

The fourth proportional to 18,679,025.40, 28,018,538.10 and 5,900,821.80 is: 8,851,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,025.40 : 28,018,538.10 = 5,900,821.80 : x
  2. Step 2: Convert to fraction form
    18,679,025.40/28,018,538.10 = 5,900,821.80/x
  3. Step 3: Cross multiply
    18,679,025.40x = 28,018,538.10 × 5,900,821.80
  4. Step 4: Simplify right side
    18,679,025.40x = 165,332,400,424,610.59
  5. Step 5: Solve for x
    x = 165,332,400,424,610.59/18,679,025.40
  6. Step 6: Final answer
    x = 8,851,232.70

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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.