Home / 6,997,375.20-9,656,564.40-3,941,407.20

Finding the Fourth Proportional to 6,997,375.20, 9,656,564.40 and 3,941,407.20

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Solution

The fourth proportional to 6,997,375.20, 9,656,564.40 and 3,941,407.20 is: 5,439,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997,375.20 : 9,656,564.40 = 3,941,407.20 : x
  2. Step 2: Convert to fraction form
    6,997,375.20/9,656,564.40 = 3,941,407.20/x
  3. Step 3: Cross multiply
    6,997,375.20x = 9,656,564.40 × 3,941,407.20
  4. Step 4: Simplify right side
    6,997,375.20x = 38,060,452,453,423.68
  5. Step 5: Solve for x
    x = 38,060,452,453,423.68/6,997,375.20
  6. Step 6: Final answer
    x = 5,439,247.06

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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.