Home / 20,154,666.40-30,231,999.60-17,761,213.60

Finding the Fourth Proportional to 20,154,666.40, 30,231,999.60 and 17,761,213.60

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Solution

The fourth proportional to 20,154,666.40, 30,231,999.60 and 17,761,213.60 is: 26,641,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,666.40 : 30,231,999.60 = 17,761,213.60 : x
  2. Step 2: Convert to fraction form
    20,154,666.40/30,231,999.60 = 17,761,213.60/x
  3. Step 3: Cross multiply
    20,154,666.40x = 30,231,999.60 × 17,761,213.60
  4. Step 4: Simplify right side
    20,154,666.40x = 536,957,002,450,714.62
  5. Step 5: Solve for x
    x = 536,957,002,450,714.62/20,154,666.40
  6. Step 6: Final answer
    x = 26,641,820.40

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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.