Home / 38,147,506.20-52,641,955.92-21,628,742.04

Finding the Fourth Proportional to 38,147,506.20, 52,641,955.92 and 21,628,742.04

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Solution

The fourth proportional to 38,147,506.20, 52,641,955.92 and 21,628,742.04 is: 29,846,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147,506.20 : 52,641,955.92 = 21,628,742.04 : x
  2. Step 2: Convert to fraction form
    38,147,506.20/52,641,955.92 = 21,628,742.04/x
  3. Step 3: Cross multiply
    38,147,506.20x = 52,641,955.92 × 21,628,742.04
  4. Step 4: Simplify right side
    38,147,506.20x = 1,138,579,285,074,730.75
  5. Step 5: Solve for x
    x = 1,138,579,285,074,730.75/38,147,506.20
  6. Step 6: Final answer
    x = 29,846,755.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.