Home / 7,176,722.87-9,904,116.71-3,913,716.15

Finding the Fourth Proportional to 7,176,722.87, 9,904,116.71 and 3,913,716.15

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Solution

The fourth proportional to 7,176,722.87, 9,904,116.71 and 3,913,716.15 is: 5,401,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,722.87 : 9,904,116.71 = 3,913,716.15 : x
  2. Step 2: Convert to fraction form
    7,176,722.87/9,904,116.71 = 3,913,716.15/x
  3. Step 3: Cross multiply
    7,176,722.87x = 9,904,116.71 × 3,913,716.15
  4. Step 4: Simplify right side
    7,176,722.87x = 38,761,901,529,196.16
  5. Step 5: Solve for x
    x = 38,761,901,529,196.16/7,176,722.87
  6. Step 6: Final answer
    x = 5,401,058.70

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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.