Home / 7,010,301.60-10,515,452.40-3,986,992.80

Finding the Fourth Proportional to 7,010,301.60, 10,515,452.40 and 3,986,992.80

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Solution

The fourth proportional to 7,010,301.60, 10,515,452.40 and 3,986,992.80 is: 5,980,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010,301.60 : 10,515,452.40 = 3,986,992.80 : x
  2. Step 2: Convert to fraction form
    7,010,301.60/10,515,452.40 = 3,986,992.80/x
  3. Step 3: Cross multiply
    7,010,301.60x = 10,515,452.40 × 3,986,992.80
  4. Step 4: Simplify right side
    7,010,301.60x = 41,925,033,007,542.72
  5. Step 5: Solve for x
    x = 41,925,033,007,542.72/7,010,301.60
  6. Step 6: Final answer
    x = 5,980,489.20

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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.