Home / 18,352,929.18-27,469,513.61-13,493,947.35

Finding the Fourth Proportional to 18,352,929.18, 27,469,513.61 and 13,493,947.35

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Solution

The fourth proportional to 18,352,929.18, 27,469,513.61 and 13,493,947.35 is: 20,196,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352,929.18 : 27,469,513.61 = 13,493,947.35 : x
  2. Step 2: Convert to fraction form
    18,352,929.18/27,469,513.61 = 13,493,947.35/x
  3. Step 3: Cross multiply
    18,352,929.18x = 27,469,513.61 × 13,493,947.35
  4. Step 4: Simplify right side
    18,352,929.18x = 370,672,170,315,978.69
  5. Step 5: Solve for x
    x = 370,672,170,315,978.69/18,352,929.18
  6. Step 6: Final answer
    x = 20,196,894.28

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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.