Home / 27,706,078.20-38,234,439.76-15,482,935.20

Finding the Fourth Proportional to 27,706,078.20, 38,234,439.76 and 15,482,935.20

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Solution

The fourth proportional to 27,706,078.20, 38,234,439.76 and 15,482,935.20 is: 21,366,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,706,078.20 : 38,234,439.76 = 15,482,935.20 : x
  2. Step 2: Convert to fraction form
    27,706,078.20/38,234,439.76 = 15,482,935.20/x
  3. Step 3: Cross multiply
    27,706,078.20x = 38,234,439.76 × 15,482,935.20
  4. Step 4: Simplify right side
    27,706,078.20x = 591,981,353,212,383.50
  5. Step 5: Solve for x
    x = 591,981,353,212,383.50/27,706,078.20
  6. Step 6: Final answer
    x = 21,366,479.55

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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.