Home / 11,277,736.90-15,591,739.22-8,332,909.36

Finding the Fourth Proportional to 11,277,736.90, 15,591,739.22 and 8,332,909.36

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Solution

The fourth proportional to 11,277,736.90, 15,591,739.22 and 8,332,909.36 is: 11,520,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277,736.90 : 15,591,739.22 = 8,332,909.36 : x
  2. Step 2: Convert to fraction form
    11,277,736.90/15,591,739.22 = 8,332,909.36/x
  3. Step 3: Cross multiply
    11,277,736.90x = 15,591,739.22 × 8,332,909.36
  4. Step 4: Simplify right side
    11,277,736.90x = 129,924,549,685,017.11
  5. Step 5: Solve for x
    x = 129,924,549,685,017.11/11,277,736.90
  6. Step 6: Final answer
    x = 11,520,445.18

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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.