Home / 27,650,947.32-38,055,925.20-20,297,132.49

Finding the Fourth Proportional to 27,650,947.32, 38,055,925.20 and 20,297,132.49

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Solution

The fourth proportional to 27,650,947.32, 38,055,925.20 and 20,297,132.49 is: 27,934,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650,947.32 : 38,055,925.20 = 20,297,132.49 : x
  2. Step 2: Convert to fraction form
    27,650,947.32/38,055,925.20 = 20,297,132.49/x
  3. Step 3: Cross multiply
    27,650,947.32x = 38,055,925.20 × 20,297,132.49
  4. Step 4: Simplify right side
    27,650,947.32x = 772,426,155,595,105.75
  5. Step 5: Solve for x
    x = 772,426,155,595,105.75/27,650,947.32
  6. Step 6: Final answer
    x = 27,934,889.41

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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.