Home / 8,264,943-12,397,539-3,147,655.80

Finding the Fourth Proportional to 8,264,943, 12,397,539 and 3,147,655.80

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Solution

The fourth proportional to 8,264,943, 12,397,539 and 3,147,655.80 is: 4,721,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,943 : 12,397,539 = 3,147,655.80 : x
  2. Step 2: Convert to fraction form
    8,264,943/12,397,539 = 3,147,655.80/x
  3. Step 3: Cross multiply
    8,264,943x = 12,397,539 × 3,147,655.80
  4. Step 4: Simplify right side
    8,264,943x = 39,023,185,539,076.20
  5. Step 5: Solve for x
    x = 39,023,185,539,076.20/8,264,943
  6. Step 6: Final answer
    x = 4,721,531.12

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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.