Home / 8,221,502.20-12,332,253.30-7,661,630.20

Finding the Fourth Proportional to 8,221,502.20, 12,332,253.30 and 7,661,630.20

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Solution

The fourth proportional to 8,221,502.20, 12,332,253.30 and 7,661,630.20 is: 11,492,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,502.20 : 12,332,253.30 = 7,661,630.20 : x
  2. Step 2: Convert to fraction form
    8,221,502.20/12,332,253.30 = 7,661,630.20/x
  3. Step 3: Cross multiply
    8,221,502.20x = 12,332,253.30 × 7,661,630.20
  4. Step 4: Simplify right side
    8,221,502.20x = 94,485,164,317,329.67
  5. Step 5: Solve for x
    x = 94,485,164,317,329.67/8,221,502.20
  6. Step 6: Final answer
    x = 11,492,445.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.