Home / 13,557,737.25-18,712,392.99-8,054,169.51

Finding the Fourth Proportional to 13,557,737.25, 18,712,392.99 and 8,054,169.51

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Solution

The fourth proportional to 13,557,737.25, 18,712,392.99 and 8,054,169.51 is: 11,116,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,737.25 : 18,712,392.99 = 8,054,169.51 : x
  2. Step 2: Convert to fraction form
    13,557,737.25/18,712,392.99 = 8,054,169.51/x
  3. Step 3: Cross multiply
    13,557,737.25x = 18,712,392.99 × 8,054,169.51
  4. Step 4: Simplify right side
    13,557,737.25x = 150,712,785,079,195.72
  5. Step 5: Solve for x
    x = 150,712,785,079,195.72/13,557,737.25
  6. Step 6: Final answer
    x = 11,116,367.16

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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.