Home / 28,761,821.60-43,086,745.20-17,368,426.40

Finding the Fourth Proportional to 28,761,821.60, 43,086,745.20 and 17,368,426.40

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Solution

The fourth proportional to 28,761,821.60, 43,086,745.20 and 17,368,426.40 is: 26,018,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761,821.60 : 43,086,745.20 = 17,368,426.40 : x
  2. Step 2: Convert to fraction form
    28,761,821.60/43,086,745.20 = 17,368,426.40/x
  3. Step 3: Cross multiply
    28,761,821.60x = 43,086,745.20 × 17,368,426.40
  4. Step 4: Simplify right side
    28,761,821.60x = 748,348,962,821,753.25
  5. Step 5: Solve for x
    x = 748,348,962,821,753.25/28,761,821.60
  6. Step 6: Final answer
    x = 26,018,830.56

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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.