Home / 10,296,687.90-15,445,031.85-8,383,500.30

Finding the Fourth Proportional to 10,296,687.90, 15,445,031.85 and 8,383,500.30

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Solution

The fourth proportional to 10,296,687.90, 15,445,031.85 and 8,383,500.30 is: 12,575,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296,687.90 : 15,445,031.85 = 8,383,500.30 : x
  2. Step 2: Convert to fraction form
    10,296,687.90/15,445,031.85 = 8,383,500.30/x
  3. Step 3: Cross multiply
    10,296,687.90x = 15,445,031.85 × 8,383,500.30
  4. Step 4: Simplify right side
    10,296,687.90x = 129,483,429,147,984.55
  5. Step 5: Solve for x
    x = 129,483,429,147,984.55/10,296,687.90
  6. Step 6: Final answer
    x = 12,575,250.45

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Similar ratio
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1.5x scale

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.