Home / 15,208,586.06-20,988,689.22-8,684,311.25

Finding the Fourth Proportional to 15,208,586.06, 20,988,689.22 and 8,684,311.25

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Solution

The fourth proportional to 15,208,586.06, 20,988,689.22 and 8,684,311.25 is: 11,984,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208,586.06 : 20,988,689.22 = 8,684,311.25 : x
  2. Step 2: Convert to fraction form
    15,208,586.06/20,988,689.22 = 8,684,311.25/x
  3. Step 3: Cross multiply
    15,208,586.06x = 20,988,689.22 × 8,684,311.25
  4. Step 4: Simplify right side
    15,208,586.06x = 182,272,309,968,471.44
  5. Step 5: Solve for x
    x = 182,272,309,968,471.44/15,208,586.06
  6. Step 6: Final answer
    x = 11,984,829.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.