Home / 8,362,005.40-12,543,008.10-2,682,803.80

Finding the Fourth Proportional to 8,362,005.40, 12,543,008.10 and 2,682,803.80

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Solution

The fourth proportional to 8,362,005.40, 12,543,008.10 and 2,682,803.80 is: 4,024,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362,005.40 : 12,543,008.10 = 2,682,803.80 : x
  2. Step 2: Convert to fraction form
    8,362,005.40/12,543,008.10 = 2,682,803.80/x
  3. Step 3: Cross multiply
    8,362,005.40x = 12,543,008.10 × 2,682,803.80
  4. Step 4: Simplify right side
    8,362,005.40x = 33,650,429,794,110.78
  5. Step 5: Solve for x
    x = 33,650,429,794,110.78/8,362,005.40
  6. Step 6: Final answer
    x = 4,024,205.70

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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.