Home / 28,016,209.13-38,662,959.08-15,793,066.13

Finding the Fourth Proportional to 28,016,209.13, 38,662,959.08 and 15,793,066.13

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Solution

The fourth proportional to 28,016,209.13, 38,662,959.08 and 15,793,066.13 is: 21,794,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,209.13 : 38,662,959.08 = 15,793,066.13 : x
  2. Step 2: Convert to fraction form
    28,016,209.13/38,662,959.08 = 15,793,066.13/x
  3. Step 3: Cross multiply
    28,016,209.13x = 38,662,959.08 × 15,793,066.13
  4. Step 4: Simplify right side
    28,016,209.13x = 610,606,669,378,091.88
  5. Step 5: Solve for x
    x = 610,606,669,378,091.88/28,016,209.13
  6. Step 6: Final answer
    x = 21,794,764.12

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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.