Home / 12,309,941.75-16,995,554.24-7,670,542.55

Finding the Fourth Proportional to 12,309,941.75, 16,995,554.24 and 7,670,542.55

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Solution

The fourth proportional to 12,309,941.75, 16,995,554.24 and 7,670,542.55 is: 10,590,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,941.75 : 16,995,554.24 = 7,670,542.55 : x
  2. Step 2: Convert to fraction form
    12,309,941.75/16,995,554.24 = 7,670,542.55/x
  3. Step 3: Cross multiply
    12,309,941.75x = 16,995,554.24 × 7,670,542.55
  4. Step 4: Simplify right side
    12,309,941.75x = 130,365,121,835,422.42
  5. Step 5: Solve for x
    x = 130,365,121,835,422.42/12,309,941.75
  6. Step 6: Final answer
    x = 10,590,230.61

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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.