Home / 28,876,901.80-43,315,352.70-25,629,644.20

Finding the Fourth Proportional to 28,876,901.80, 43,315,352.70 and 25,629,644.20

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Solution

The fourth proportional to 28,876,901.80, 43,315,352.70 and 25,629,644.20 is: 38,444,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,901.80 : 43,315,352.70 = 25,629,644.20 : x
  2. Step 2: Convert to fraction form
    28,876,901.80/43,315,352.70 = 25,629,644.20/x
  3. Step 3: Cross multiply
    28,876,901.80x = 43,315,352.70 × 25,629,644.20
  4. Step 4: Simplify right side
    28,876,901.80x = 1,110,157,078,098,509.38
  5. Step 5: Solve for x
    x = 1,110,157,078,098,509.38/28,876,901.80
  6. Step 6: Final answer
    x = 38,444,466.30

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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.