Home / 12,642,682.35-17,446,947.68-6,841,463.57

Finding the Fourth Proportional to 12,642,682.35, 17,446,947.68 and 6,841,463.57

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Solution

The fourth proportional to 12,642,682.35, 17,446,947.68 and 6,841,463.57 is: 9,441,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,682.35 : 17,446,947.68 = 6,841,463.57 : x
  2. Step 2: Convert to fraction form
    12,642,682.35/17,446,947.68 = 6,841,463.57/x
  3. Step 3: Cross multiply
    12,642,682.35x = 17,446,947.68 × 6,841,463.57
  4. Step 4: Simplify right side
    12,642,682.35x = 119,362,656,838,973.97
  5. Step 5: Solve for x
    x = 119,362,656,838,973.97/12,642,682.35
  6. Step 6: Final answer
    x = 9,441,244.63

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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.