Home / 7,209,934.80-10,814,902.20-6,957,992.40

Finding the Fourth Proportional to 7,209,934.80, 10,814,902.20 and 6,957,992.40

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Solution

The fourth proportional to 7,209,934.80, 10,814,902.20 and 6,957,992.40 is: 10,436,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,934.80 : 10,814,902.20 = 6,957,992.40 : x
  2. Step 2: Convert to fraction form
    7,209,934.80/10,814,902.20 = 6,957,992.40/x
  3. Step 3: Cross multiply
    7,209,934.80x = 10,814,902.20 × 6,957,992.40
  4. Step 4: Simplify right side
    7,209,934.80x = 75,250,007,314,343.28
  5. Step 5: Solve for x
    x = 75,250,007,314,343.28/7,209,934.80
  6. Step 6: Final answer
    x = 10,436,988.60

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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.