Home / 12,313,977.84-16,991,817.30-6,806,608.86

Finding the Fourth Proportional to 12,313,977.84, 16,991,817.30 and 6,806,608.86

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Solution

The fourth proportional to 12,313,977.84, 16,991,817.30 and 6,806,608.86 is: 9,392,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,977.84 : 16,991,817.30 = 6,806,608.86 : x
  2. Step 2: Convert to fraction form
    12,313,977.84/16,991,817.30 = 6,806,608.86/x
  3. Step 3: Cross multiply
    12,313,977.84x = 16,991,817.30 × 6,806,608.86
  4. Step 4: Simplify right side
    12,313,977.84x = 115,656,654,181,681.28
  5. Step 5: Solve for x
    x = 115,656,654,181,681.28/12,313,977.84
  6. Step 6: Final answer
    x = 9,392,306.51

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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.