Home / 9,876,213.20-14,845,812.60-9,309,342.80

Finding the Fourth Proportional to 9,876,213.20, 14,845,812.60 and 9,309,342.80

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Solution

The fourth proportional to 9,876,213.20, 14,845,812.60 and 9,309,342.80 is: 13,993,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876,213.20 : 14,845,812.60 = 9,309,342.80 : x
  2. Step 2: Convert to fraction form
    9,876,213.20/14,845,812.60 = 9,309,342.80/x
  3. Step 3: Cross multiply
    9,876,213.20x = 14,845,812.60 × 9,309,342.80
  4. Step 4: Simplify right side
    9,876,213.20x = 138,204,758,637,959.28
  5. Step 5: Solve for x
    x = 138,204,758,637,959.28/9,876,213.20
  6. Step 6: Final answer
    x = 13,993,699.39

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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.