Home / 12,012,954.40-18,021,395.04-3,923,581.60

Finding the Fourth Proportional to 12,012,954.40, 18,021,395.04 and 3,923,581.60

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Solution

The fourth proportional to 12,012,954.40, 18,021,395.04 and 3,923,581.60 is: 5,886,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,954.40 : 18,021,395.04 = 3,923,581.60 : x
  2. Step 2: Convert to fraction form
    12,012,954.40/18,021,395.04 = 3,923,581.60/x
  3. Step 3: Cross multiply
    12,012,954.40x = 18,021,395.04 × 3,923,581.60
  4. Step 4: Simplify right side
    12,012,954.40x = 70,708,413,985,275.27
  5. Step 5: Solve for x
    x = 70,708,413,985,275.27/12,012,954.40
  6. Step 6: Final answer
    x = 5,886,013.68

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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.