Home / 27,637,704.11-38,138,700.49-15,078,010.97

Finding the Fourth Proportional to 27,637,704.11, 38,138,700.49 and 15,078,010.97

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Solution

The fourth proportional to 27,637,704.11, 38,138,700.49 and 15,078,010.97 is: 20,806,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637,704.11 : 38,138,700.49 = 15,078,010.97 : x
  2. Step 2: Convert to fraction form
    27,637,704.11/38,138,700.49 = 15,078,010.97/x
  3. Step 3: Cross multiply
    27,637,704.11x = 38,138,700.49 × 15,078,010.97
  4. Step 4: Simplify right side
    27,637,704.11x = 575,055,744,427,416
  5. Step 5: Solve for x
    x = 575,055,744,427,416/27,637,704.11
  6. Step 6: Final answer
    x = 20,806,928.90

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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.