Home / 13,397,652.80-20,096,479.20-13,285,678.40

Finding the Fourth Proportional to 13,397,652.80, 20,096,479.20 and 13,285,678.40

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Solution

The fourth proportional to 13,397,652.80, 20,096,479.20 and 13,285,678.40 is: 19,928,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397,652.80 : 20,096,479.20 = 13,285,678.40 : x
  2. Step 2: Convert to fraction form
    13,397,652.80/20,096,479.20 = 13,285,678.40/x
  3. Step 3: Cross multiply
    13,397,652.80x = 20,096,479.20 × 13,285,678.40
  4. Step 4: Simplify right side
    13,397,652.80x = 266,995,359,623,489.28
  5. Step 5: Solve for x
    x = 266,995,359,623,489.28/13,397,652.80
  6. Step 6: Final answer
    x = 19,928,517.60

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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.