Home / 9,139,898.80-12,613,034.10-5,065,517.80

Finding the Fourth Proportional to 9,139,898.80, 12,613,034.10 and 5,065,517.80

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Solution

The fourth proportional to 9,139,898.80, 12,613,034.10 and 5,065,517.80 is: 6,990,400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,898.80 : 12,613,034.10 = 5,065,517.80 : x
  2. Step 2: Convert to fraction form
    9,139,898.80/12,613,034.10 = 5,065,517.80/x
  3. Step 3: Cross multiply
    9,139,898.80x = 12,613,034.10 × 5,065,517.80
  4. Step 4: Simplify right side
    9,139,898.80x = 63,891,548,745,556.98
  5. Step 5: Solve for x
    x = 63,891,548,745,556.98/9,139,898.80
  6. Step 6: Final answer
    x = 6,990,400.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.