Home / 12,613,642.38-17,386,382.70-9,855,519.48

Finding the Fourth Proportional to 12,613,642.38, 17,386,382.70 and 9,855,519.48

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Solution

The fourth proportional to 12,613,642.38, 17,386,382.70 and 9,855,519.48 is: 13,584,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613,642.38 : 17,386,382.70 = 9,855,519.48 : x
  2. Step 2: Convert to fraction form
    12,613,642.38/17,386,382.70 = 9,855,519.48/x
  3. Step 3: Cross multiply
    12,613,642.38x = 17,386,382.70 × 9,855,519.48
  4. Step 4: Simplify right side
    12,613,642.38x = 171,351,833,386,585
  5. Step 5: Solve for x
    x = 171,351,833,386,585/12,613,642.38
  6. Step 6: Final answer
    x = 13,584,643.37

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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.