Home / 7,221,714.57-9,966,086.56-3,914,114.39

Finding the Fourth Proportional to 7,221,714.57, 9,966,086.56 and 3,914,114.39

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Solution

The fourth proportional to 7,221,714.57, 9,966,086.56 and 3,914,114.39 is: 5,401,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,714.57 : 9,966,086.56 = 3,914,114.39 : x
  2. Step 2: Convert to fraction form
    7,221,714.57/9,966,086.56 = 3,914,114.39/x
  3. Step 3: Cross multiply
    7,221,714.57x = 9,966,086.56 × 3,914,114.39
  4. Step 4: Simplify right side
    7,221,714.57x = 39,008,402,835,950.82
  5. Step 5: Solve for x
    x = 39,008,402,835,950.82/7,221,714.57
  6. Step 6: Final answer
    x = 5,401,543.15

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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.