Home / 8,085,274.80-12,127,912.20-6,650,384.10

Finding the Fourth Proportional to 8,085,274.80, 12,127,912.20 and 6,650,384.10

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Solution

The fourth proportional to 8,085,274.80, 12,127,912.20 and 6,650,384.10 is: 9,975,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,274.80 : 12,127,912.20 = 6,650,384.10 : x
  2. Step 2: Convert to fraction form
    8,085,274.80/12,127,912.20 = 6,650,384.10/x
  3. Step 3: Cross multiply
    8,085,274.80x = 12,127,912.20 × 6,650,384.10
  4. Step 4: Simplify right side
    8,085,274.80x = 80,655,274,461,076.02
  5. Step 5: Solve for x
    x = 80,655,274,461,076.02/8,085,274.80
  6. Step 6: Final answer
    x = 9,975,576.15

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Double scale
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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.