Home / 12,381,843.96-17,086,855.50-6,875,191.80

Finding the Fourth Proportional to 12,381,843.96, 17,086,855.50 and 6,875,191.80

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Solution

The fourth proportional to 12,381,843.96, 17,086,855.50 and 6,875,191.80 is: 9,487,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,843.96 : 17,086,855.50 = 6,875,191.80 : x
  2. Step 2: Convert to fraction form
    12,381,843.96/17,086,855.50 = 6,875,191.80/x
  3. Step 3: Cross multiply
    12,381,843.96x = 17,086,855.50 × 6,875,191.80
  4. Step 4: Simplify right side
    12,381,843.96x = 117,475,408,821,384.89
  5. Step 5: Solve for x
    x = 117,475,408,821,384.89/12,381,843.96
  6. Step 6: Final answer
    x = 9,487,715.17

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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.