Home / 38,385,389.70-57,581,058.87-12,826,489.32

Finding the Fourth Proportional to 38,385,389.70, 57,581,058.87 and 12,826,489.32

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Solution

The fourth proportional to 38,385,389.70, 57,581,058.87 and 12,826,489.32 is: 19,240,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,389.70 : 57,581,058.87 = 12,826,489.32 : x
  2. Step 2: Convert to fraction form
    38,385,389.70/57,581,058.87 = 12,826,489.32/x
  3. Step 3: Cross multiply
    38,385,389.70x = 57,581,058.87 × 12,826,489.32
  4. Step 4: Simplify right side
    38,385,389.70x = 738,562,836,630,346.25
  5. Step 5: Solve for x
    x = 738,562,836,630,346.25/38,385,389.70
  6. Step 6: Final answer
    x = 19,240,727.85

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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.