Home / 13,182,446.40-19,773,669.60-5,609,659.20

Finding the Fourth Proportional to 13,182,446.40, 19,773,669.60 and 5,609,659.20

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Solution

The fourth proportional to 13,182,446.40, 19,773,669.60 and 5,609,659.20 is: 8,414,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182,446.40 : 19,773,669.60 = 5,609,659.20 : x
  2. Step 2: Convert to fraction form
    13,182,446.40/19,773,669.60 = 5,609,659.20/x
  3. Step 3: Cross multiply
    13,182,446.40x = 19,773,669.60 × 5,609,659.20
  4. Step 4: Simplify right side
    13,182,446.40x = 110,923,547,589,400.33
  5. Step 5: Solve for x
    x = 110,923,547,589,400.33/13,182,446.40
  6. Step 6: Final answer
    x = 8,414,488.80

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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.