Home / 12,855,579.21-17,741,801.16-7,055,482.14

Finding the Fourth Proportional to 12,855,579.21, 17,741,801.16 and 7,055,482.14

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Solution

The fourth proportional to 12,855,579.21, 17,741,801.16 and 7,055,482.14 is: 9,737,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,579.21 : 17,741,801.16 = 7,055,482.14 : x
  2. Step 2: Convert to fraction form
    12,855,579.21/17,741,801.16 = 7,055,482.14/x
  3. Step 3: Cross multiply
    12,855,579.21x = 17,741,801.16 × 7,055,482.14
  4. Step 4: Simplify right side
    12,855,579.21x = 125,176,961,215,811.28
  5. Step 5: Solve for x
    x = 125,176,961,215,811.28/12,855,579.21
  6. Step 6: Final answer
    x = 9,737,170.08

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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.