Home / 27,680,923.92-38,198,934.63-15,290,750.69

Finding the Fourth Proportional to 27,680,923.92, 38,198,934.63 and 15,290,750.69

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Solution

The fourth proportional to 27,680,923.92, 38,198,934.63 and 15,290,750.69 is: 21,100,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680,923.92 : 38,198,934.63 = 15,290,750.69 : x
  2. Step 2: Convert to fraction form
    27,680,923.92/38,198,934.63 = 15,290,750.69/x
  3. Step 3: Cross multiply
    27,680,923.92x = 38,198,934.63 × 15,290,750.69
  4. Step 4: Simplify right side
    27,680,923.92x = 584,090,386,050,937.38
  5. Step 5: Solve for x
    x = 584,090,386,050,937.38/27,680,923.92
  6. Step 6: Final answer
    x = 21,100,826.97

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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.