Home / 12,642,169.70-17,446,072.65-6,840,824.42

Finding the Fourth Proportional to 12,642,169.70, 17,446,072.65 and 6,840,824.42

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Solution

The fourth proportional to 12,642,169.70, 17,446,072.65 and 6,840,824.42 is: 9,440,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,169.70 : 17,446,072.65 = 6,840,824.42 : x
  2. Step 2: Convert to fraction form
    12,642,169.70/17,446,072.65 = 6,840,824.42/x
  3. Step 3: Cross multiply
    12,642,169.70x = 17,446,072.65 × 6,840,824.42
  4. Step 4: Simplify right side
    12,642,169.70x = 119,345,519,817,214.09
  5. Step 5: Solve for x
    x = 119,345,519,817,214.09/12,642,169.70
  6. Step 6: Final answer
    x = 9,440,271.94

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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.