Home / 28,043,139.20-42,064,708.80-17,529,792.80

Finding the Fourth Proportional to 28,043,139.20, 42,064,708.80 and 17,529,792.80

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Solution

The fourth proportional to 28,043,139.20, 42,064,708.80 and 17,529,792.80 is: 26,294,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,139.20 : 42,064,708.80 = 17,529,792.80 : x
  2. Step 2: Convert to fraction form
    28,043,139.20/42,064,708.80 = 17,529,792.80/x
  3. Step 3: Cross multiply
    28,043,139.20x = 42,064,708.80 × 17,529,792.80
  4. Step 4: Simplify right side
    28,043,139.20x = 737,385,629,456,336.62
  5. Step 5: Solve for x
    x = 737,385,629,456,336.62/28,043,139.20
  6. Step 6: Final answer
    x = 26,294,689.20

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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.