Home / 20,042,099.80-30,063,149.70-17,172,318.40

Finding the Fourth Proportional to 20,042,099.80, 30,063,149.70 and 17,172,318.40

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Solution

The fourth proportional to 20,042,099.80, 30,063,149.70 and 17,172,318.40 is: 25,758,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,099.80 : 30,063,149.70 = 17,172,318.40 : x
  2. Step 2: Convert to fraction form
    20,042,099.80/30,063,149.70 = 17,172,318.40/x
  3. Step 3: Cross multiply
    20,042,099.80x = 30,063,149.70 × 17,172,318.40
  4. Step 4: Simplify right side
    20,042,099.80x = 516,253,978,755,264.44
  5. Step 5: Solve for x
    x = 516,253,978,755,264.44/20,042,099.80
  6. Step 6: Final answer
    x = 25,758,477.60

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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.