Home / 15,338,799.84-21,167,986.96-8,463,724.80

Finding the Fourth Proportional to 15,338,799.84, 21,167,986.96 and 8,463,724.80

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Solution

The fourth proportional to 15,338,799.84, 21,167,986.96 and 8,463,724.80 is: 11,680,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,799.84 : 21,167,986.96 = 8,463,724.80 : x
  2. Step 2: Convert to fraction form
    15,338,799.84/21,167,986.96 = 8,463,724.80/x
  3. Step 3: Cross multiply
    15,338,799.84x = 21,167,986.96 × 8,463,724.80
  4. Step 4: Simplify right side
    15,338,799.84x = 179,160,016,199,428.62
  5. Step 5: Solve for x
    x = 179,160,016,199,428.62/15,338,799.84
  6. Step 6: Final answer
    x = 11,680,184.76

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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.