Home / 8,651,428.12-12,976,999.60-2,586,174.04

Finding the Fourth Proportional to 8,651,428.12, 12,976,999.60 and 2,586,174.04

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Solution

The fourth proportional to 8,651,428.12, 12,976,999.60 and 2,586,174.04 is: 3,879,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,428.12 : 12,976,999.60 = 2,586,174.04 : x
  2. Step 2: Convert to fraction form
    8,651,428.12/12,976,999.60 = 2,586,174.04/x
  3. Step 3: Cross multiply
    8,651,428.12x = 12,976,999.60 × 2,586,174.04
  4. Step 4: Simplify right side
    8,651,428.12x = 33,560,779,482,610.38
  5. Step 5: Solve for x
    x = 33,560,779,482,610.38/8,651,428.12
  6. Step 6: Final answer
    x = 3,879,218.44

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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.