Home / 12,155,215.76-18,226,092-4,971,794.48

Finding the Fourth Proportional to 12,155,215.76, 18,226,092 and 4,971,794.48

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Solution

The fourth proportional to 12,155,215.76, 18,226,092 and 4,971,794.48 is: 7,454,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,215.76 : 18,226,092 = 4,971,794.48 : x
  2. Step 2: Convert to fraction form
    12,155,215.76/18,226,092 = 4,971,794.48/x
  3. Step 3: Cross multiply
    12,155,215.76x = 18,226,092 × 4,971,794.48
  4. Step 4: Simplify right side
    12,155,215.76x = 90,616,383,597,572.17
  5. Step 5: Solve for x
    x = 90,616,383,597,572.17/12,155,215.76
  6. Step 6: Final answer
    x = 7,454,938.31

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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.