Home / 27,685,548.90-38,204,901.18-15,923,922.84

Finding the Fourth Proportional to 27,685,548.90, 38,204,901.18 and 15,923,922.84

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Solution

The fourth proportional to 27,685,548.90, 38,204,901.18 and 15,923,922.84 is: 21,974,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685,548.90 : 38,204,901.18 = 15,923,922.84 : x
  2. Step 2: Convert to fraction form
    27,685,548.90/38,204,901.18 = 15,923,922.84/x
  3. Step 3: Cross multiply
    27,685,548.90x = 38,204,901.18 × 15,923,922.84
  4. Step 4: Simplify right side
    27,685,548.90x = 608,371,898,500,145
  5. Step 5: Solve for x
    x = 608,371,898,500,145/27,685,548.90
  6. Step 6: Final answer
    x = 21,974,348.45

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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.