Home / 22,430,148.80-30,952,840.13-12,372,046.40

Finding the Fourth Proportional to 22,430,148.80, 30,952,840.13 and 12,372,046.40

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Solution

The fourth proportional to 22,430,148.80, 30,952,840.13 and 12,372,046.40 is: 17,073,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430,148.80 : 30,952,840.13 = 12,372,046.40 : x
  2. Step 2: Convert to fraction form
    22,430,148.80/30,952,840.13 = 12,372,046.40/x
  3. Step 3: Cross multiply
    22,430,148.80x = 30,952,840.13 × 12,372,046.40
  4. Step 4: Simplify right side
    22,430,148.80x = 382,949,974,083,517.56
  5. Step 5: Solve for x
    x = 382,949,974,083,517.56/22,430,148.80
  6. Step 6: Final answer
    x = 17,073,001.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.