Home / 7,215,138.27-10,822,444.92-2,166,317.55

Finding the Fourth Proportional to 7,215,138.27, 10,822,444.92 and 2,166,317.55

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Solution

The fourth proportional to 7,215,138.27, 10,822,444.92 and 2,166,317.55 is: 3,249,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,138.27 : 10,822,444.92 = 2,166,317.55 : x
  2. Step 2: Convert to fraction form
    7,215,138.27/10,822,444.92 = 2,166,317.55/x
  3. Step 3: Cross multiply
    7,215,138.27x = 10,822,444.92 × 2,166,317.55
  4. Step 4: Simplify right side
    7,215,138.27x = 23,444,852,364,104.34
  5. Step 5: Solve for x
    x = 23,444,852,364,104.34/7,215,138.27
  6. Step 6: Final answer
    x = 3,249,397.51

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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.