Home / 14,278,999.80-21,387,006.90-8,589,300.60

Finding the Fourth Proportional to 14,278,999.80, 21,387,006.90 and 8,589,300.60

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Solution

The fourth proportional to 14,278,999.80, 21,387,006.90 and 8,589,300.60 is: 12,865,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,999.80 : 21,387,006.90 = 8,589,300.60 : x
  2. Step 2: Convert to fraction form
    14,278,999.80/21,387,006.90 = 8,589,300.60/x
  3. Step 3: Cross multiply
    14,278,999.80x = 21,387,006.90 × 8,589,300.60
  4. Step 4: Simplify right side
    14,278,999.80x = 183,699,431,198,374.12
  5. Step 5: Solve for x
    x = 183,699,431,198,374.12/14,278,999.80
  6. Step 6: Final answer
    x = 12,865,006.92

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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.