Home / 8,215,425.52-11,277,919.20-7,051,851.71

Finding the Fourth Proportional to 8,215,425.52, 11,277,919.20 and 7,051,851.71

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Solution

The fourth proportional to 8,215,425.52, 11,277,919.20 and 7,051,851.71 is: 9,680,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,425.52 : 11,277,919.20 = 7,051,851.71 : x
  2. Step 2: Convert to fraction form
    8,215,425.52/11,277,919.20 = 7,051,851.71/x
  3. Step 3: Cross multiply
    8,215,425.52x = 11,277,919.20 × 7,051,851.71
  4. Step 4: Simplify right side
    8,215,425.52x = 79,530,213,808,108.88
  5. Step 5: Solve for x
    x = 79,530,213,808,108.88/8,215,425.52
  6. Step 6: Final answer
    x = 9,680,595.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.