Home / 7,907,561.17-11,861,862.20-2,071,889.78

Finding the Fourth Proportional to 7,907,561.17, 11,861,862.20 and 2,071,889.78

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Solution

The fourth proportional to 7,907,561.17, 11,861,862.20 and 2,071,889.78 is: 3,107,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907,561.17 : 11,861,862.20 = 2,071,889.78 : x
  2. Step 2: Convert to fraction form
    7,907,561.17/11,861,862.20 = 2,071,889.78/x
  3. Step 3: Cross multiply
    7,907,561.17x = 11,861,862.20 × 2,071,889.78
  4. Step 4: Simplify right side
    7,907,561.17x = 24,576,471,063,948.32
  5. Step 5: Solve for x
    x = 24,576,471,063,948.32/7,907,561.17
  6. Step 6: Final answer
    x = 3,107,971.04

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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.