Home / 8,627,873.52-11,910,780-5,365,739.16

Finding the Fourth Proportional to 8,627,873.52, 11,910,780 and 5,365,739.16

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Solution

The fourth proportional to 8,627,873.52, 11,910,780 and 5,365,739.16 is: 7,407,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627,873.52 : 11,910,780 = 5,365,739.16 : x
  2. Step 2: Convert to fraction form
    8,627,873.52/11,910,780 = 5,365,739.16/x
  3. Step 3: Cross multiply
    8,627,873.52x = 11,910,780 × 5,365,739.16
  4. Step 4: Simplify right side
    8,627,873.52x = 63,910,138,672,144.80
  5. Step 5: Solve for x
    x = 63,910,138,672,144.80/8,627,873.52
  6. Step 6: Final answer
    x = 7,407,403.29

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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.