Home / 12,046,408.40-18,083,609.40-7,259,502.80

Finding the Fourth Proportional to 12,046,408.40, 18,083,609.40 and 7,259,502.80

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Solution

The fourth proportional to 12,046,408.40, 18,083,609.40 and 7,259,502.80 is: 10,897,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046,408.40 : 18,083,609.40 = 7,259,502.80 : x
  2. Step 2: Convert to fraction form
    12,046,408.40/18,083,609.40 = 7,259,502.80/x
  3. Step 3: Cross multiply
    12,046,408.40x = 18,083,609.40 × 7,259,502.80
  4. Step 4: Simplify right side
    12,046,408.40x = 131,278,013,073,406.31
  5. Step 5: Solve for x
    x = 131,278,013,073,406.31/12,046,408.40
  6. Step 6: Final answer
    x = 10,897,689.06

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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.