Home / 38,346,740.20-57,520,110.30-18,191,348.20

Finding the Fourth Proportional to 38,346,740.20, 57,520,110.30 and 18,191,348.20

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Solution

The fourth proportional to 38,346,740.20, 57,520,110.30 and 18,191,348.20 is: 27,287,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346,740.20 : 57,520,110.30 = 18,191,348.20 : x
  2. Step 2: Convert to fraction form
    38,346,740.20/57,520,110.30 = 18,191,348.20/x
  3. Step 3: Cross multiply
    38,346,740.20x = 57,520,110.30 × 18,191,348.20
  4. Step 4: Simplify right side
    38,346,740.20x = 1,046,368,354,969,706.38
  5. Step 5: Solve for x
    x = 1,046,368,354,969,706.38/38,346,740.20
  6. Step 6: Final answer
    x = 27,287,022.30

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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.