Home / 9,876,219.20-14,845,821.60-9,309,348.80

Finding the Fourth Proportional to 9,876,219.20, 14,845,821.60 and 9,309,348.80

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Solution

The fourth proportional to 9,876,219.20, 14,845,821.60 and 9,309,348.80 is: 13,993,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,219.20 : 14,845,821.60 = 9,309,348.80 : x
  2. Step 2: Convert to fraction form
    9,876,219.20/14,845,821.60 = 9,309,348.80/x
  3. Step 3: Cross multiply
    9,876,219.20x = 14,845,821.60 × 9,309,348.80
  4. Step 4: Simplify right side
    9,876,219.20x = 138,204,931,496,974.09
  5. Step 5: Solve for x
    x = 138,204,931,496,974.09/9,876,219.20
  6. Step 6: Final answer
    x = 13,993,708.39

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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.