Home / 12,083,463.90-18,109,449.45-4,889,108.70

Finding the Fourth Proportional to 12,083,463.90, 18,109,449.45 and 4,889,108.70

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Solution

The fourth proportional to 12,083,463.90, 18,109,449.45 and 4,889,108.70 is: 7,327,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,463.90 : 18,109,449.45 = 4,889,108.70 : x
  2. Step 2: Convert to fraction form
    12,083,463.90/18,109,449.45 = 4,889,108.70/x
  3. Step 3: Cross multiply
    12,083,463.90x = 18,109,449.45 × 4,889,108.70
  4. Step 4: Simplify right side
    12,083,463.90x = 88,539,066,858,205.22
  5. Step 5: Solve for x
    x = 88,539,066,858,205.22/12,083,463.90
  6. Step 6: Final answer
    x = 7,327,291.88

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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.