Home / 8,876,939.82-12,249,479.16-5,438,713.38

Finding the Fourth Proportional to 8,876,939.82, 12,249,479.16 and 5,438,713.38

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Solution

The fourth proportional to 8,876,939.82, 12,249,479.16 and 5,438,713.38 is: 7,504,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,939.82 : 12,249,479.16 = 5,438,713.38 : x
  2. Step 2: Convert to fraction form
    8,876,939.82/12,249,479.16 = 5,438,713.38/x
  3. Step 3: Cross multiply
    8,876,939.82x = 12,249,479.16 × 5,438,713.38
  4. Step 4: Simplify right side
    8,876,939.82x = 66,621,406,205,523.16
  5. Step 5: Solve for x
    x = 66,621,406,205,523.16/8,876,939.82
  6. Step 6: Final answer
    x = 7,504,996.94

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1.5x scale

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.