Home / 18,456,810.30-27,685,215.45-13,354,976.70

Finding the Fourth Proportional to 18,456,810.30, 27,685,215.45 and 13,354,976.70

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Solution

The fourth proportional to 18,456,810.30, 27,685,215.45 and 13,354,976.70 is: 20,032,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,810.30 : 27,685,215.45 = 13,354,976.70 : x
  2. Step 2: Convert to fraction form
    18,456,810.30/27,685,215.45 = 13,354,976.70/x
  3. Step 3: Cross multiply
    18,456,810.30x = 27,685,215.45 × 13,354,976.70
  4. Step 4: Simplify right side
    18,456,810.30x = 369,735,407,269,230
  5. Step 5: Solve for x
    x = 369,735,407,269,230/18,456,810.30
  6. Step 6: Final answer
    x = 20,032,465.05

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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.