Home / 27,685,490.40-38,204,820.45-15,923,864.52

Finding the Fourth Proportional to 27,685,490.40, 38,204,820.45 and 15,923,864.52

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Solution

The fourth proportional to 27,685,490.40, 38,204,820.45 and 15,923,864.52 is: 21,974,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685,490.40 : 38,204,820.45 = 15,923,864.52 : x
  2. Step 2: Convert to fraction form
    27,685,490.40/38,204,820.45 = 15,923,864.52/x
  3. Step 3: Cross multiply
    27,685,490.40x = 38,204,820.45 × 15,923,864.52
  4. Step 4: Simplify right side
    27,685,490.40x = 608,368,384,856,725.50
  5. Step 5: Solve for x
    x = 608,368,384,856,725.50/27,685,490.40
  6. Step 6: Final answer
    x = 21,974,267.97

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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.