Home / 15,039,702.28-20,754,851.48-8,514,590.96

Finding the Fourth Proportional to 15,039,702.28, 20,754,851.48 and 8,514,590.96

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Solution

The fourth proportional to 15,039,702.28, 20,754,851.48 and 8,514,590.96 is: 11,750,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039,702.28 : 20,754,851.48 = 8,514,590.96 : x
  2. Step 2: Convert to fraction form
    15,039,702.28/20,754,851.48 = 8,514,590.96/x
  3. Step 3: Cross multiply
    15,039,702.28x = 20,754,851.48 × 8,514,590.96
  4. Step 4: Simplify right side
    15,039,702.28x = 176,719,070,787,750.66
  5. Step 5: Solve for x
    x = 176,719,070,787,750.66/15,039,702.28
  6. Step 6: Final answer
    x = 11,750,170.81

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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.