Home / 12,864,067.11-19,277,959.50-7,109,392.14

Finding the Fourth Proportional to 12,864,067.11, 19,277,959.50 and 7,109,392.14

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Solution

The fourth proportional to 12,864,067.11, 19,277,959.50 and 7,109,392.14 is: 10,654,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,067.11 : 19,277,959.50 = 7,109,392.14 : x
  2. Step 2: Convert to fraction form
    12,864,067.11/19,277,959.50 = 7,109,392.14/x
  3. Step 3: Cross multiply
    12,864,067.11x = 19,277,959.50 × 7,109,392.14
  4. Step 4: Simplify right side
    12,864,067.11x = 137,054,573,744,538.33
  5. Step 5: Solve for x
    x = 137,054,573,744,538.33/12,864,067.11
  6. Step 6: Final answer
    x = 10,654,062.40

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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.