Home / 12,385,069.30-18,580,556.40-5,990,062.60

Finding the Fourth Proportional to 12,385,069.30, 18,580,556.40 and 5,990,062.60

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Solution

The fourth proportional to 12,385,069.30, 18,580,556.40 and 5,990,062.60 is: 8,986,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,069.30 : 18,580,556.40 = 5,990,062.60 : x
  2. Step 2: Convert to fraction form
    12,385,069.30/18,580,556.40 = 5,990,062.60/x
  3. Step 3: Cross multiply
    12,385,069.30x = 18,580,556.40 × 5,990,062.60
  4. Step 4: Simplify right side
    12,385,069.30x = 111,298,695,978,830.62
  5. Step 5: Solve for x
    x = 111,298,695,978,830.62/12,385,069.30
  6. Step 6: Final answer
    x = 8,986,521.86

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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.