Home / 10,955,562.30-15,115,959.72-7,083,424.13

Finding the Fourth Proportional to 10,955,562.30, 15,115,959.72 and 7,083,424.13

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Solution

The fourth proportional to 10,955,562.30, 15,115,959.72 and 7,083,424.13 is: 9,773,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955,562.30 : 15,115,959.72 = 7,083,424.13 : x
  2. Step 2: Convert to fraction form
    10,955,562.30/15,115,959.72 = 7,083,424.13/x
  3. Step 3: Cross multiply
    10,955,562.30x = 15,115,959.72 × 7,083,424.13
  4. Step 4: Simplify right side
    10,955,562.30x = 107,072,753,753,176.25
  5. Step 5: Solve for x
    x = 107,072,753,753,176.25/10,955,562.30
  6. Step 6: Final answer
    x = 9,773,369.07

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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.