Home / 12,361,790.85-18,550,559.48-7,244,210.85

Finding the Fourth Proportional to 12,361,790.85, 18,550,559.48 and 7,244,210.85

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Solution

The fourth proportional to 12,361,790.85, 18,550,559.48 and 7,244,210.85 is: 10,870,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,790.85 : 18,550,559.48 = 7,244,210.85 : x
  2. Step 2: Convert to fraction form
    12,361,790.85/18,550,559.48 = 7,244,210.85/x
  3. Step 3: Cross multiply
    12,361,790.85x = 18,550,559.48 × 7,244,210.85
  4. Step 4: Simplify right side
    12,361,790.85x = 134,384,164,222,365.31
  5. Step 5: Solve for x
    x = 134,384,164,222,365.31/12,361,790.85
  6. Step 6: Final answer
    x = 10,870,930.10

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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.