Home / 6,443,853.85-8,892,837.60-3,997,253.30

Finding the Fourth Proportional to 6,443,853.85, 8,892,837.60 and 3,997,253.30

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Solution

The fourth proportional to 6,443,853.85, 8,892,837.60 and 3,997,253.30 is: 5,516,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,853.85 : 8,892,837.60 = 3,997,253.30 : x
  2. Step 2: Convert to fraction form
    6,443,853.85/8,892,837.60 = 3,997,253.30/x
  3. Step 3: Cross multiply
    6,443,853.85x = 8,892,837.60 × 3,997,253.30
  4. Step 4: Simplify right side
    6,443,853.85x = 35,546,924,442,964.08
  5. Step 5: Solve for x
    x = 35,546,924,442,964.08/6,443,853.85
  6. Step 6: Final answer
    x = 5,516,407.62

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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.