Home / 8,536,998.40-12,804,554.10-2,147,253.28

Finding the Fourth Proportional to 8,536,998.40, 12,804,554.10 and 2,147,253.28

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Solution

The fourth proportional to 8,536,998.40, 12,804,554.10 and 2,147,253.28 is: 3,220,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536,998.40 : 12,804,554.10 = 2,147,253.28 : x
  2. Step 2: Convert to fraction form
    8,536,998.40/12,804,554.10 = 2,147,253.28/x
  3. Step 3: Cross multiply
    8,536,998.40x = 12,804,554.10 × 2,147,253.28
  4. Step 4: Simplify right side
    8,536,998.40x = 27,494,620,790,162.45
  5. Step 5: Solve for x
    x = 27,494,620,790,162.45/8,536,998.40
  6. Step 6: Final answer
    x = 3,220,642.61

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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.