Home / 12,704,837.69-19,007,370.13-9,804,290.66

Finding the Fourth Proportional to 12,704,837.69, 19,007,370.13 and 9,804,290.66

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Solution

The fourth proportional to 12,704,837.69, 19,007,370.13 and 9,804,290.66 is: 14,667,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,837.69 : 19,007,370.13 = 9,804,290.66 : x
  2. Step 2: Convert to fraction form
    12,704,837.69/19,007,370.13 = 9,804,290.66/x
  3. Step 3: Cross multiply
    12,704,837.69x = 19,007,370.13 × 9,804,290.66
  4. Step 4: Simplify right side
    12,704,837.69x = 186,353,781,436,721.97
  5. Step 5: Solve for x
    x = 186,353,781,436,721.97/12,704,837.69
  6. Step 6: Final answer
    x = 14,667,938.78

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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.