Home / 10,918,344.80-16,381,016.40-7,328,165.60

Finding the Fourth Proportional to 10,918,344.80, 16,381,016.40 and 7,328,165.60

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Solution

The fourth proportional to 10,918,344.80, 16,381,016.40 and 7,328,165.60 is: 10,994,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918,344.80 : 16,381,016.40 = 7,328,165.60 : x
  2. Step 2: Convert to fraction form
    10,918,344.80/16,381,016.40 = 7,328,165.60/x
  3. Step 3: Cross multiply
    10,918,344.80x = 16,381,016.40 × 7,328,165.60
  4. Step 4: Simplify right side
    10,918,344.80x = 120,042,800,875,515.84
  5. Step 5: Solve for x
    x = 120,042,800,875,515.84/10,918,344.80
  6. Step 6: Final answer
    x = 10,994,596.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.