Home / 7,176,719.88-9,904,112.57-3,913,713.14

Finding the Fourth Proportional to 7,176,719.88, 9,904,112.57 and 3,913,713.14

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Solution

The fourth proportional to 7,176,719.88, 9,904,112.57 and 3,913,713.14 is: 5,401,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,719.88 : 9,904,112.57 = 3,913,713.14 : x
  2. Step 2: Convert to fraction form
    7,176,719.88/9,904,112.57 = 3,913,713.14/x
  3. Step 3: Cross multiply
    7,176,719.88x = 9,904,112.57 × 3,913,713.14
  4. Step 4: Simplify right side
    7,176,719.88x = 38,761,855,465,511.88
  5. Step 5: Solve for x
    x = 38,761,855,465,511.88/7,176,719.88
  6. Step 6: Final answer
    x = 5,401,054.54

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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.