Home / 15,070,370.64-20,797,505.64-8,195,254.80

Finding the Fourth Proportional to 15,070,370.64, 20,797,505.64 and 8,195,254.80

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Solution

The fourth proportional to 15,070,370.64, 20,797,505.64 and 8,195,254.80 is: 11,309,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070,370.64 : 20,797,505.64 = 8,195,254.80 : x
  2. Step 2: Convert to fraction form
    15,070,370.64/20,797,505.64 = 8,195,254.80/x
  3. Step 3: Cross multiply
    15,070,370.64x = 20,797,505.64 × 8,195,254.80
  4. Step 4: Simplify right side
    15,070,370.64x = 170,440,857,924,237.06
  5. Step 5: Solve for x
    x = 170,440,857,924,237.06/15,070,370.64
  6. Step 6: Final answer
    x = 11,309,665.97

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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.