Home / 8,209,851.60-12,314,777.40-6,934,393.20

Finding the Fourth Proportional to 8,209,851.60, 12,314,777.40 and 6,934,393.20

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Solution

The fourth proportional to 8,209,851.60, 12,314,777.40 and 6,934,393.20 is: 10,401,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,851.60 : 12,314,777.40 = 6,934,393.20 : x
  2. Step 2: Convert to fraction form
    8,209,851.60/12,314,777.40 = 6,934,393.20/x
  3. Step 3: Cross multiply
    8,209,851.60x = 12,314,777.40 × 6,934,393.20
  4. Step 4: Simplify right side
    8,209,851.60x = 85,395,508,662,073.69
  5. Step 5: Solve for x
    x = 85,395,508,662,073.69/8,209,851.60
  6. Step 6: Final answer
    x = 10,401,589.80

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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.