Home / 22,330,149.12-30,816,348.48-12,542,319.36

Finding the Fourth Proportional to 22,330,149.12, 30,816,348.48 and 12,542,319.36

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Solution

The fourth proportional to 22,330,149.12, 30,816,348.48 and 12,542,319.36 is: 17,308,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330,149.12 : 30,816,348.48 = 12,542,319.36 : x
  2. Step 2: Convert to fraction form
    22,330,149.12/30,816,348.48 = 12,542,319.36/x
  3. Step 3: Cross multiply
    22,330,149.12x = 30,816,348.48 × 12,542,319.36
  4. Step 4: Simplify right side
    22,330,149.12x = 386,508,484,145,210.56
  5. Step 5: Solve for x
    x = 386,508,484,145,210.56/22,330,149.12
  6. Step 6: Final answer
    x = 17,308,817.87

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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.