Home / 7,161,967.28-10,743,247.32-2,113,277.78

Finding the Fourth Proportional to 7,161,967.28, 10,743,247.32 and 2,113,277.78

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Solution

The fourth proportional to 7,161,967.28, 10,743,247.32 and 2,113,277.78 is: 3,170,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,967.28 : 10,743,247.32 = 2,113,277.78 : x
  2. Step 2: Convert to fraction form
    7,161,967.28/10,743,247.32 = 2,113,277.78/x
  3. Step 3: Cross multiply
    7,161,967.28x = 10,743,247.32 × 2,113,277.78
  4. Step 4: Simplify right side
    7,161,967.28x = 22,703,465,846,400.55
  5. Step 5: Solve for x
    x = 22,703,465,846,400.55/7,161,967.28
  6. Step 6: Final answer
    x = 3,170,004.13

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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.