Home / 6,887,197.80-10,318,986.90-4,489,808.40

Finding the Fourth Proportional to 6,887,197.80, 10,318,986.90 and 4,489,808.40

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Solution

The fourth proportional to 6,887,197.80, 10,318,986.90 and 4,489,808.40 is: 6,727,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,197.80 : 10,318,986.90 = 4,489,808.40 : x
  2. Step 2: Convert to fraction form
    6,887,197.80/10,318,986.90 = 4,489,808.40/x
  3. Step 3: Cross multiply
    6,887,197.80x = 10,318,986.90 × 4,489,808.40
  4. Step 4: Simplify right side
    6,887,197.80x = 46,330,274,063,109.97
  5. Step 5: Solve for x
    x = 46,330,274,063,109.97/6,887,197.80
  6. Step 6: Final answer
    x = 6,727,013.72

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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.