Home / 15,780,033.20-23,670,827.40-8,221,761.20

Finding the Fourth Proportional to 15,780,033.20, 23,670,827.40 and 8,221,761.20

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Solution

The fourth proportional to 15,780,033.20, 23,670,827.40 and 8,221,761.20 is: 12,333,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,033.20 : 23,670,827.40 = 8,221,761.20 : x
  2. Step 2: Convert to fraction form
    15,780,033.20/23,670,827.40 = 8,221,761.20/x
  3. Step 3: Cross multiply
    15,780,033.20x = 23,670,827.40 × 8,221,761.20
  4. Step 4: Simplify right side
    15,780,033.20x = 194,615,890,289,216.88
  5. Step 5: Solve for x
    x = 194,615,890,289,216.88/15,780,033.20
  6. Step 6: Final answer
    x = 12,333,046.95

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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.