Home / 12,277,727.29-18,413,448.48-3,639,807.82

Finding the Fourth Proportional to 12,277,727.29, 18,413,448.48 and 3,639,807.82

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Solution

The fourth proportional to 12,277,727.29, 18,413,448.48 and 3,639,807.82 is: 5,458,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,727.29 : 18,413,448.48 = 3,639,807.82 : x
  2. Step 2: Convert to fraction form
    12,277,727.29/18,413,448.48 = 3,639,807.82/x
  3. Step 3: Cross multiply
    12,277,727.29x = 18,413,448.48 × 3,639,807.82
  4. Step 4: Simplify right side
    12,277,727.29x = 67,021,413,770,671.11
  5. Step 5: Solve for x
    x = 67,021,413,770,671.11/12,277,727.29
  6. Step 6: Final answer
    x = 5,458,780.13

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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.