Home / 28,253,792.80-42,380,689.20-26,340,605.20

Finding the Fourth Proportional to 28,253,792.80, 42,380,689.20 and 26,340,605.20

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Solution

The fourth proportional to 28,253,792.80, 42,380,689.20 and 26,340,605.20 is: 39,510,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253,792.80 : 42,380,689.20 = 26,340,605.20 : x
  2. Step 2: Convert to fraction form
    28,253,792.80/42,380,689.20 = 26,340,605.20/x
  3. Step 3: Cross multiply
    28,253,792.80x = 42,380,689.20 × 26,340,605.20
  4. Step 4: Simplify right side
    28,253,792.80x = 1,116,333,002,321,103.88
  5. Step 5: Solve for x
    x = 1,116,333,002,321,103.88/28,253,792.80
  6. Step 6: Final answer
    x = 39,510,907.80

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1.5x scale

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.