Home / 15,839,436.96-21,841,900.56-9,399,664.80

Finding the Fourth Proportional to 15,839,436.96, 21,841,900.56 and 9,399,664.80

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Solution

The fourth proportional to 15,839,436.96, 21,841,900.56 and 9,399,664.80 is: 12,961,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839,436.96 : 21,841,900.56 = 9,399,664.80 : x
  2. Step 2: Convert to fraction form
    15,839,436.96/21,841,900.56 = 9,399,664.80/x
  3. Step 3: Cross multiply
    15,839,436.96x = 21,841,900.56 × 9,399,664.80
  4. Step 4: Simplify right side
    15,839,436.96x = 205,306,543,858,932.28
  5. Step 5: Solve for x
    x = 205,306,543,858,932.28/15,839,436.96
  6. Step 6: Final answer
    x = 12,961,732.44

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1.5x scale

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.