Home / 12,827,179.88-17,703,269.66-7,864,743.83

Finding the Fourth Proportional to 12,827,179.88, 17,703,269.66 and 7,864,743.83

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Solution

The fourth proportional to 12,827,179.88, 17,703,269.66 and 7,864,743.83 is: 10,854,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827,179.88 : 17,703,269.66 = 7,864,743.83 : x
  2. Step 2: Convert to fraction form
    12,827,179.88/17,703,269.66 = 7,864,743.83/x
  3. Step 3: Cross multiply
    12,827,179.88x = 17,703,269.66 × 7,864,743.83
  4. Step 4: Simplify right side
    12,827,179.88x = 139,231,680,893,231.23
  5. Step 5: Solve for x
    x = 139,231,680,893,231.23/12,827,179.88
  6. Step 6: Final answer
    x = 10,854,426.48

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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.