Home / 9,397,781.72-12,944,680.74-6,639,681.41

Finding the Fourth Proportional to 9,397,781.72, 12,944,680.74 and 6,639,681.41

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Solution

The fourth proportional to 9,397,781.72, 12,944,680.74 and 6,639,681.41 is: 9,145,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397,781.72 : 12,944,680.74 = 6,639,681.41 : x
  2. Step 2: Convert to fraction form
    9,397,781.72/12,944,680.74 = 6,639,681.41/x
  3. Step 3: Cross multiply
    9,397,781.72x = 12,944,680.74 × 6,639,681.41
  4. Step 4: Simplify right side
    9,397,781.72x = 85,948,556,067,763.05
  5. Step 5: Solve for x
    x = 85,948,556,067,763.05/9,397,781.72
  6. Step 6: Final answer
    x = 9,145,621.66

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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.