Home / 7,911,399.60-11,853,102.60-7,407,514.80

Finding the Fourth Proportional to 7,911,399.60, 11,853,102.60 and 7,407,514.80

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Solution

The fourth proportional to 7,911,399.60, 11,853,102.60 and 7,407,514.80 is: 11,098,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,399.60 : 11,853,102.60 = 7,407,514.80 : x
  2. Step 2: Convert to fraction form
    7,911,399.60/11,853,102.60 = 7,407,514.80/x
  3. Step 3: Cross multiply
    7,911,399.60x = 11,853,102.60 × 7,407,514.80
  4. Step 4: Simplify right side
    7,911,399.60x = 87,802,032,935,418.47
  5. Step 5: Solve for x
    x = 87,802,032,935,418.47/7,911,399.60
  6. Step 6: Final answer
    x = 11,098,166.87

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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.