Home / 21,498,397.47-29,667,788.51-11,840,605.47

Finding the Fourth Proportional to 21,498,397.47, 29,667,788.51 and 11,840,605.47

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Solution

The fourth proportional to 21,498,397.47, 29,667,788.51 and 11,840,605.47 is: 16,340,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498,397.47 : 29,667,788.51 = 11,840,605.47 : x
  2. Step 2: Convert to fraction form
    21,498,397.47/29,667,788.51 = 11,840,605.47/x
  3. Step 3: Cross multiply
    21,498,397.47x = 29,667,788.51 × 11,840,605.47
  4. Step 4: Simplify right side
    21,498,397.47x = 351,284,578,914,309.19
  5. Step 5: Solve for x
    x = 351,284,578,914,309.19/21,498,397.47
  6. Step 6: Final answer
    x = 16,340,035.55

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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.