Home / 27,091,121.76-37,385,773.55-15,488,928.20

Finding the Fourth Proportional to 27,091,121.76, 37,385,773.55 and 15,488,928.20

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Solution

The fourth proportional to 27,091,121.76, 37,385,773.55 and 15,488,928.20 is: 21,374,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091,121.76 : 37,385,773.55 = 15,488,928.20 : x
  2. Step 2: Convert to fraction form
    27,091,121.76/37,385,773.55 = 15,488,928.20/x
  3. Step 3: Cross multiply
    27,091,121.76x = 37,385,773.55 × 15,488,928.20
  4. Step 4: Simplify right side
    27,091,121.76x = 579,065,562,291,512.38
  5. Step 5: Solve for x
    x = 579,065,562,291,512.38/27,091,121.76
  6. Step 6: Final answer
    x = 21,374,735.51

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1.5x scale

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.