Home / 12,635,839.67-17,448,088.05-7,997,806.80

Finding the Fourth Proportional to 12,635,839.67, 17,448,088.05 and 7,997,806.80

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Solution

The fourth proportional to 12,635,839.67, 17,448,088.05 and 7,997,806.80 is: 11,043,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,839.67 : 17,448,088.05 = 7,997,806.80 : x
  2. Step 2: Convert to fraction form
    12,635,839.67/17,448,088.05 = 7,997,806.80/x
  3. Step 3: Cross multiply
    12,635,839.67x = 17,448,088.05 × 7,997,806.80
  4. Step 4: Simplify right side
    12,635,839.67x = 139,546,437,253,288.75
  5. Step 5: Solve for x
    x = 139,546,437,253,288.75/12,635,839.67
  6. Step 6: Final answer
    x = 11,043,701.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.