Home / 18,708,371.20-28,046,810.40-9,732,923.20

Finding the Fourth Proportional to 18,708,371.20, 28,046,810.40 and 9,732,923.20

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Solution

The fourth proportional to 18,708,371.20, 28,046,810.40 and 9,732,923.20 is: 14,591,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,371.20 : 28,046,810.40 = 9,732,923.20 : x
  2. Step 2: Convert to fraction form
    18,708,371.20/28,046,810.40 = 9,732,923.20/x
  3. Step 3: Cross multiply
    18,708,371.20x = 28,046,810.40 × 9,732,923.20
  4. Step 4: Simplify right side
    18,708,371.20x = 272,977,451,628,161.25
  5. Step 5: Solve for x
    x = 272,977,451,628,161.25/18,708,371.20
  6. Step 6: Final answer
    x = 14,591,192.83

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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.