Home / 18,722,606.70-28,083,910.05-7,357,205.10

Finding the Fourth Proportional to 18,722,606.70, 28,083,910.05 and 7,357,205.10

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Solution

The fourth proportional to 18,722,606.70, 28,083,910.05 and 7,357,205.10 is: 11,035,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,606.70 : 28,083,910.05 = 7,357,205.10 : x
  2. Step 2: Convert to fraction form
    18,722,606.70/28,083,910.05 = 7,357,205.10/x
  3. Step 3: Cross multiply
    18,722,606.70x = 28,083,910.05 × 7,357,205.10
  4. Step 4: Simplify right side
    18,722,606.70x = 206,619,086,247,801.25
  5. Step 5: Solve for x
    x = 206,619,086,247,801.25/18,722,606.70
  6. Step 6: Final answer
    x = 11,035,807.65

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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.