Home / 8,230,470.71-11,332,136.39-6,987,622.75

Finding the Fourth Proportional to 8,230,470.71, 11,332,136.39 and 6,987,622.75

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Solution

The fourth proportional to 8,230,470.71, 11,332,136.39 and 6,987,622.75 is: 9,620,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,470.71 : 11,332,136.39 = 6,987,622.75 : x
  2. Step 2: Convert to fraction form
    8,230,470.71/11,332,136.39 = 6,987,622.75/x
  3. Step 3: Cross multiply
    8,230,470.71x = 11,332,136.39 × 6,987,622.75
  4. Step 4: Simplify right side
    8,230,470.71x = 79,184,693,981,598.41
  5. Step 5: Solve for x
    x = 79,184,693,981,598.41/8,230,470.71
  6. Step 6: Final answer
    x = 9,620,919.24

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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.