Home / 12,961,205.40-19,441,808.10-10,882,680.60

Finding the Fourth Proportional to 12,961,205.40, 19,441,808.10 and 10,882,680.60

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Solution

The fourth proportional to 12,961,205.40, 19,441,808.10 and 10,882,680.60 is: 16,324,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,205.40 : 19,441,808.10 = 10,882,680.60 : x
  2. Step 2: Convert to fraction form
    12,961,205.40/19,441,808.10 = 10,882,680.60/x
  3. Step 3: Cross multiply
    12,961,205.40x = 19,441,808.10 × 10,882,680.60
  4. Step 4: Simplify right side
    12,961,205.40x = 211,578,987,838,792.88
  5. Step 5: Solve for x
    x = 211,578,987,838,792.88/12,961,205.40
  6. Step 6: Final answer
    x = 16,324,020.90

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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.