Home / 6,747,412.80-10,121,119.20-4,479,931.20

Finding the Fourth Proportional to 6,747,412.80, 10,121,119.20 and 4,479,931.20

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Solution

The fourth proportional to 6,747,412.80, 10,121,119.20 and 4,479,931.20 is: 6,719,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747,412.80 : 10,121,119.20 = 4,479,931.20 : x
  2. Step 2: Convert to fraction form
    6,747,412.80/10,121,119.20 = 4,479,931.20/x
  3. Step 3: Cross multiply
    6,747,412.80x = 10,121,119.20 × 4,479,931.20
  4. Step 4: Simplify right side
    6,747,412.80x = 45,341,917,682,999.04
  5. Step 5: Solve for x
    x = 45,341,917,682,999.04/6,747,412.80
  6. Step 6: Final answer
    x = 6,719,896.80

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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.