Home / 15,942,863.20-23,916,627.60-5,158,328.80

Finding the Fourth Proportional to 15,942,863.20, 23,916,627.60 and 5,158,328.80

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Solution

The fourth proportional to 15,942,863.20, 23,916,627.60 and 5,158,328.80 is: 7,738,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,863.20 : 23,916,627.60 = 5,158,328.80 : x
  2. Step 2: Convert to fraction form
    15,942,863.20/23,916,627.60 = 5,158,328.80/x
  3. Step 3: Cross multiply
    15,942,863.20x = 23,916,627.60 × 5,158,328.80
  4. Step 4: Simplify right side
    15,942,863.20x = 123,369,828,947,954.89
  5. Step 5: Solve for x
    x = 123,369,828,947,954.89/15,942,863.20
  6. Step 6: Final answer
    x = 7,738,247.98

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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.