Home / 7,911,400.60-11,853,104.10-7,407,515.80

Finding the Fourth Proportional to 7,911,400.60, 11,853,104.10 and 7,407,515.80

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Solution

The fourth proportional to 7,911,400.60, 11,853,104.10 and 7,407,515.80 is: 11,098,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,400.60 : 11,853,104.10 = 7,407,515.80 : x
  2. Step 2: Convert to fraction form
    7,911,400.60/11,853,104.10 = 7,407,515.80/x
  3. Step 3: Cross multiply
    7,911,400.60x = 11,853,104.10 × 7,407,515.80
  4. Step 4: Simplify right side
    7,911,400.60x = 87,802,055,899,794.78
  5. Step 5: Solve for x
    x = 87,802,055,899,794.78/7,911,400.60
  6. Step 6: Final answer
    x = 11,098,168.37

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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.