Home / 7,977,517.27-11,970,012.94-3,931,799.64

Finding the Fourth Proportional to 7,977,517.27, 11,970,012.94 and 3,931,799.64

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Solution

The fourth proportional to 7,977,517.27, 11,970,012.94 and 3,931,799.64 is: 5,899,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,517.27 : 11,970,012.94 = 3,931,799.64 : x
  2. Step 2: Convert to fraction form
    7,977,517.27/11,970,012.94 = 3,931,799.64/x
  3. Step 3: Cross multiply
    7,977,517.27x = 11,970,012.94 × 3,931,799.64
  4. Step 4: Simplify right side
    7,977,517.27x = 47,063,692,513,570.30
  5. Step 5: Solve for x
    x = 47,063,692,513,570.30/7,977,517.27
  6. Step 6: Final answer
    x = 5,899,541.29

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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.