Home / 12,882,412.98-17,777,625.12-7,081,133.04

Finding the Fourth Proportional to 12,882,412.98, 17,777,625.12 and 7,081,133.04

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Solution

The fourth proportional to 12,882,412.98, 17,777,625.12 and 7,081,133.04 is: 9,771,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,412.98 : 17,777,625.12 = 7,081,133.04 : x
  2. Step 2: Convert to fraction form
    12,882,412.98/17,777,625.12 = 7,081,133.04/x
  3. Step 3: Cross multiply
    12,882,412.98x = 17,777,625.12 × 7,081,133.04
  4. Step 4: Simplify right side
    12,882,412.98x = 125,885,728,609,965.97
  5. Step 5: Solve for x
    x = 125,885,728,609,965.97/12,882,412.98
  6. Step 6: Final answer
    x = 9,771,905.99

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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.