Home / 20,298,112.80-30,447,169.20-5,152,044.30

Finding the Fourth Proportional to 20,298,112.80, 30,447,169.20 and 5,152,044.30

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Solution

The fourth proportional to 20,298,112.80, 30,447,169.20 and 5,152,044.30 is: 7,728,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,112.80 : 30,447,169.20 = 5,152,044.30 : x
  2. Step 2: Convert to fraction form
    20,298,112.80/30,447,169.20 = 5,152,044.30/x
  3. Step 3: Cross multiply
    20,298,112.80x = 30,447,169.20 × 5,152,044.30
  4. Step 4: Simplify right side
    20,298,112.80x = 156,865,164,527,995.56
  5. Step 5: Solve for x
    x = 156,865,164,527,995.56/20,298,112.80
  6. Step 6: Final answer
    x = 7,728,066.45

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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.