Home / 28,517,163.80-42,786,243.30-9,348,546.20

Finding the Fourth Proportional to 28,517,163.80, 42,786,243.30 and 9,348,546.20

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Solution

The fourth proportional to 28,517,163.80, 42,786,243.30 and 9,348,546.20 is: 14,026,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,163.80 : 42,786,243.30 = 9,348,546.20 : x
  2. Step 2: Convert to fraction form
    28,517,163.80/42,786,243.30 = 9,348,546.20/x
  3. Step 3: Cross multiply
    28,517,163.80x = 42,786,243.30 × 9,348,546.20
  4. Step 4: Simplify right side
    28,517,163.80x = 399,989,172,214,490.38
  5. Step 5: Solve for x
    x = 399,989,172,214,490.38/28,517,163.80
  6. Step 6: Final answer
    x = 14,026,260.64

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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.