Home / 12,126,134.40-18,191,728.80-4,041,621.60

Finding the Fourth Proportional to 12,126,134.40, 18,191,728.80 and 4,041,621.60

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Solution

The fourth proportional to 12,126,134.40, 18,191,728.80 and 4,041,621.60 is: 6,063,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,134.40 : 18,191,728.80 = 4,041,621.60 : x
  2. Step 2: Convert to fraction form
    12,126,134.40/18,191,728.80 = 4,041,621.60/x
  3. Step 3: Cross multiply
    12,126,134.40x = 18,191,728.80 × 4,041,621.60
  4. Step 4: Simplify right side
    12,126,134.40x = 73,524,084,059,422.08
  5. Step 5: Solve for x
    x = 73,524,084,059,422.08/12,126,134.40
  6. Step 6: Final answer
    x = 6,063,274.71

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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.