Home / 8,129,654.48-11,219,129.16-4,458,717.20

Finding the Fourth Proportional to 8,129,654.48, 11,219,129.16 and 4,458,717.20

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Solution

The fourth proportional to 8,129,654.48, 11,219,129.16 and 4,458,717.20 is: 6,153,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,654.48 : 11,219,129.16 = 4,458,717.20 : x
  2. Step 2: Convert to fraction form
    8,129,654.48/11,219,129.16 = 4,458,717.20/x
  3. Step 3: Cross multiply
    8,129,654.48x = 11,219,129.16 × 4,458,717.20
  4. Step 4: Simplify right side
    8,129,654.48x = 50,022,924,154,713.55
  5. Step 5: Solve for x
    x = 50,022,924,154,713.55/8,129,654.48
  6. Step 6: Final answer
    x = 6,153,142.70

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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.