Home / 7,988,606.16-11,980,420.92-2,668,578

Finding the Fourth Proportional to 7,988,606.16, 11,980,420.92 and 2,668,578

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Solution

The fourth proportional to 7,988,606.16, 11,980,420.92 and 2,668,578 is: 4,002,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,606.16 : 11,980,420.92 = 2,668,578 : x
  2. Step 2: Convert to fraction form
    7,988,606.16/11,980,420.92 = 2,668,578/x
  3. Step 3: Cross multiply
    7,988,606.16x = 11,980,420.92 × 2,668,578
  4. Step 4: Simplify right side
    7,988,606.16x = 31,970,687,697,851.76
  5. Step 5: Solve for x
    x = 31,970,687,697,851.76/7,988,606.16
  6. Step 6: Final answer
    x = 4,002,035.78

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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.