Home / 20,396,314.80-30,523,613.40-18,695,703.60

Finding the Fourth Proportional to 20,396,314.80, 30,523,613.40 and 18,695,703.60

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Solution

The fourth proportional to 20,396,314.80, 30,523,613.40 and 18,695,703.60 is: 27,978,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396,314.80 : 30,523,613.40 = 18,695,703.60 : x
  2. Step 2: Convert to fraction form
    20,396,314.80/30,523,613.40 = 18,695,703.60/x
  3. Step 3: Cross multiply
    20,396,314.80x = 30,523,613.40 × 18,695,703.60
  4. Step 4: Simplify right side
    20,396,314.80x = 570,660,428,927,388.25
  5. Step 5: Solve for x
    x = 570,660,428,927,388.25/20,396,314.80
  6. Step 6: Final answer
    x = 27,978,604.69

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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.