Home / 12,352,032.20-18,528,048.30-11,659,190.60

Finding the Fourth Proportional to 12,352,032.20, 18,528,048.30 and 11,659,190.60

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Solution

The fourth proportional to 12,352,032.20, 18,528,048.30 and 11,659,190.60 is: 17,488,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,032.20 : 18,528,048.30 = 11,659,190.60 : x
  2. Step 2: Convert to fraction form
    12,352,032.20/18,528,048.30 = 11,659,190.60/x
  3. Step 3: Cross multiply
    12,352,032.20x = 18,528,048.30 × 11,659,190.60
  4. Step 4: Simplify right side
    12,352,032.20x = 216,022,046,575,705.97
  5. Step 5: Solve for x
    x = 216,022,046,575,705.97/12,352,032.20
  6. Step 6: Final answer
    x = 17,488,785.90

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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.