Home / 12,360,180.60-18,548,144.10-7,242,600.60

Finding the Fourth Proportional to 12,360,180.60, 18,548,144.10 and 7,242,600.60

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Solution

The fourth proportional to 12,360,180.60, 18,548,144.10 and 7,242,600.60 is: 10,868,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,180.60 : 18,548,144.10 = 7,242,600.60 : x
  2. Step 2: Convert to fraction form
    12,360,180.60/18,548,144.10 = 7,242,600.60/x
  3. Step 3: Cross multiply
    12,360,180.60x = 18,548,144.10 × 7,242,600.60
  4. Step 4: Simplify right side
    12,360,180.60x = 134,336,799,587,546.47
  5. Step 5: Solve for x
    x = 134,336,799,587,546.47/12,360,180.60
  6. Step 6: Final answer
    x = 10,868,514.30

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1.5x scale

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.