Home / 12,562,575.80-18,843,863.70-8,257,903.70

Finding the Fourth Proportional to 12,562,575.80, 18,843,863.70 and 8,257,903.70

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Solution

The fourth proportional to 12,562,575.80, 18,843,863.70 and 8,257,903.70 is: 12,386,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,575.80 : 18,843,863.70 = 8,257,903.70 : x
  2. Step 2: Convert to fraction form
    12,562,575.80/18,843,863.70 = 8,257,903.70/x
  3. Step 3: Cross multiply
    12,562,575.80x = 18,843,863.70 × 8,257,903.70
  4. Step 4: Simplify right side
    12,562,575.80x = 155,610,811,770,525.69
  5. Step 5: Solve for x
    x = 155,610,811,770,525.69/12,562,575.80
  6. Step 6: Final answer
    x = 12,386,855.55

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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.