Home / 9,960,667.52-13,752,067.81-8,129,493.78

Finding the Fourth Proportional to 9,960,667.52, 13,752,067.81 and 8,129,493.78

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Solution

The fourth proportional to 9,960,667.52, 13,752,067.81 and 8,129,493.78 is: 11,223,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960,667.52 : 13,752,067.81 = 8,129,493.78 : x
  2. Step 2: Convert to fraction form
    9,960,667.52/13,752,067.81 = 8,129,493.78/x
  3. Step 3: Cross multiply
    9,960,667.52x = 13,752,067.81 × 8,129,493.78
  4. Step 4: Simplify right side
    9,960,667.52x = 111,797,349,723,533.23
  5. Step 5: Solve for x
    x = 111,797,349,723,533.23/9,960,667.52
  6. Step 6: Final answer
    x = 11,223,881.29

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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.