Home / 14,229,066.88-19,622,847.72-13,172,220.64

Finding the Fourth Proportional to 14,229,066.88, 19,622,847.72 and 13,172,220.64

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Solution

The fourth proportional to 14,229,066.88, 19,622,847.72 and 13,172,220.64 is: 18,165,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,066.88 : 19,622,847.72 = 13,172,220.64 : x
  2. Step 2: Convert to fraction form
    14,229,066.88/19,622,847.72 = 13,172,220.64/x
  3. Step 3: Cross multiply
    14,229,066.88x = 19,622,847.72 × 13,172,220.64
  4. Step 4: Simplify right side
    14,229,066.88x = 258,476,479,752,960.94
  5. Step 5: Solve for x
    x = 258,476,479,752,960.94/14,229,066.88
  6. Step 6: Final answer
    x = 18,165,385.12

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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.