Home / 27,696,079.74-38,218,588.50-15,306,024.90

Finding the Fourth Proportional to 27,696,079.74, 38,218,588.50 and 15,306,024.90

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Solution

The fourth proportional to 27,696,079.74, 38,218,588.50 and 15,306,024.90 is: 21,121,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696,079.74 : 38,218,588.50 = 15,306,024.90 : x
  2. Step 2: Convert to fraction form
    27,696,079.74/38,218,588.50 = 15,306,024.90/x
  3. Step 3: Cross multiply
    27,696,079.74x = 38,218,588.50 × 15,306,024.90
  4. Step 4: Simplify right side
    27,696,079.74x = 584,974,667,223,853.62
  5. Step 5: Solve for x
    x = 584,974,667,223,853.62/27,696,079.74
  6. Step 6: Final answer
    x = 21,121,208.23

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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.