Home / 12,352,032.70-18,528,049.05-11,659,191.10

Finding the Fourth Proportional to 12,352,032.70, 18,528,049.05 and 11,659,191.10

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Solution

The fourth proportional to 12,352,032.70, 18,528,049.05 and 11,659,191.10 is: 17,488,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352,032.70 : 18,528,049.05 = 11,659,191.10 : x
  2. Step 2: Convert to fraction form
    12,352,032.70/18,528,049.05 = 11,659,191.10/x
  3. Step 3: Cross multiply
    12,352,032.70x = 18,528,049.05 × 11,659,191.10
  4. Step 4: Simplify right side
    12,352,032.70x = 216,022,064,584,123.47
  5. Step 5: Solve for x
    x = 216,022,064,584,123.47/12,352,032.70
  6. Step 6: Final answer
    x = 17,488,786.65

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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.