Home / 7,972,279.80-11,958,419.70-2,922,934.20

Finding the Fourth Proportional to 7,972,279.80, 11,958,419.70 and 2,922,934.20

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Solution

The fourth proportional to 7,972,279.80, 11,958,419.70 and 2,922,934.20 is: 4,384,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,279.80 : 11,958,419.70 = 2,922,934.20 : x
  2. Step 2: Convert to fraction form
    7,972,279.80/11,958,419.70 = 2,922,934.20/x
  3. Step 3: Cross multiply
    7,972,279.80x = 11,958,419.70 × 2,922,934.20
  4. Step 4: Simplify right side
    7,972,279.80x = 34,953,673,919,083.74
  5. Step 5: Solve for x
    x = 34,953,673,919,083.74/7,972,279.80
  6. Step 6: Final answer
    x = 4,384,401.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.