Home / 10,115,407.19-13,959,233.69-5,469,159.71

Finding the Fourth Proportional to 10,115,407.19, 13,959,233.69 and 5,469,159.71

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Solution

The fourth proportional to 10,115,407.19, 13,959,233.69 and 5,469,159.71 is: 7,547,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,407.19 : 13,959,233.69 = 5,469,159.71 : x
  2. Step 2: Convert to fraction form
    10,115,407.19/13,959,233.69 = 5,469,159.71/x
  3. Step 3: Cross multiply
    10,115,407.19x = 13,959,233.69 × 5,469,159.71
  4. Step 4: Simplify right side
    10,115,407.19x = 76,345,278,382,680.67
  5. Step 5: Solve for x
    x = 76,345,278,382,680.67/10,115,407.19
  6. Step 6: Final answer
    x = 7,547,425.13

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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.