Home / 8,685,755.25-13,028,727.18-2,620,541.31

Finding the Fourth Proportional to 8,685,755.25, 13,028,727.18 and 2,620,541.31

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Solution

The fourth proportional to 8,685,755.25, 13,028,727.18 and 2,620,541.31 is: 3,930,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,755.25 : 13,028,727.18 = 2,620,541.31 : x
  2. Step 2: Convert to fraction form
    8,685,755.25/13,028,727.18 = 2,620,541.31/x
  3. Step 3: Cross multiply
    8,685,755.25x = 13,028,727.18 × 2,620,541.31
  4. Step 4: Simplify right side
    8,685,755.25x = 34,142,317,826,165.70
  5. Step 5: Solve for x
    x = 34,142,317,826,165.70/8,685,755.25
  6. Step 6: Final answer
    x = 3,930,840.42

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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.