Home / 8,806,523.40-13,209,785.10-8,168,794.20

Finding the Fourth Proportional to 8,806,523.40, 13,209,785.10 and 8,168,794.20

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Solution

The fourth proportional to 8,806,523.40, 13,209,785.10 and 8,168,794.20 is: 12,253,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,523.40 : 13,209,785.10 = 8,168,794.20 : x
  2. Step 2: Convert to fraction form
    8,806,523.40/13,209,785.10 = 8,168,794.20/x
  3. Step 3: Cross multiply
    8,806,523.40x = 13,209,785.10 × 8,168,794.20
  4. Step 4: Simplify right side
    8,806,523.40x = 107,908,015,908,126.42
  5. Step 5: Solve for x
    x = 107,908,015,908,126.42/8,806,523.40
  6. Step 6: Final answer
    x = 12,253,191.30

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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.