Home / 8,399,274.40-12,598,911.60-6,719,658.40

Finding the Fourth Proportional to 8,399,274.40, 12,598,911.60 and 6,719,658.40

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Solution

The fourth proportional to 8,399,274.40, 12,598,911.60 and 6,719,658.40 is: 10,079,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,274.40 : 12,598,911.60 = 6,719,658.40 : x
  2. Step 2: Convert to fraction form
    8,399,274.40/12,598,911.60 = 6,719,658.40/x
  3. Step 3: Cross multiply
    8,399,274.40x = 12,598,911.60 × 6,719,658.40
  4. Step 4: Simplify right side
    8,399,274.40x = 84,660,382,163,797.44
  5. Step 5: Solve for x
    x = 84,660,382,163,797.44/8,399,274.40
  6. Step 6: Final answer
    x = 10,079,487.60

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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.