Home / 12,059,381.15-18,085,184.33-3,970,430.87

Finding the Fourth Proportional to 12,059,381.15, 18,085,184.33 and 3,970,430.87

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Solution

The fourth proportional to 12,059,381.15, 18,085,184.33 and 3,970,430.87 is: 5,954,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,381.15 : 18,085,184.33 = 3,970,430.87 : x
  2. Step 2: Convert to fraction form
    12,059,381.15/18,085,184.33 = 3,970,430.87/x
  3. Step 3: Cross multiply
    12,059,381.15x = 18,085,184.33 × 3,970,430.87
  4. Step 4: Simplify right side
    12,059,381.15x = 71,805,974,153,472.27
  5. Step 5: Solve for x
    x = 71,805,974,153,472.27/12,059,381.15
  6. Step 6: Final answer
    x = 5,954,366.42

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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.