Home / 18,708,271.20-28,046,660.40-9,732,823.20

Finding the Fourth Proportional to 18,708,271.20, 28,046,660.40 and 9,732,823.20

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Solution

The fourth proportional to 18,708,271.20, 28,046,660.40 and 9,732,823.20 is: 14,591,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,271.20 : 28,046,660.40 = 9,732,823.20 : x
  2. Step 2: Convert to fraction form
    18,708,271.20/28,046,660.40 = 9,732,823.20/x
  3. Step 3: Cross multiply
    18,708,271.20x = 28,046,660.40 × 9,732,823.20
  4. Step 4: Simplify right side
    18,708,271.20x = 272,973,187,023,641.25
  5. Step 5: Solve for x
    x = 272,973,187,023,641.25/18,708,271.20
  6. Step 6: Final answer
    x = 14,591,042.87

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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.