Home / 12,141,569.96-18,221,799.30-8,474,476.94

Finding the Fourth Proportional to 12,141,569.96, 18,221,799.30 and 8,474,476.94

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Solution

The fourth proportional to 12,141,569.96, 18,221,799.30 and 8,474,476.94 is: 12,718,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,569.96 : 18,221,799.30 = 8,474,476.94 : x
  2. Step 2: Convert to fraction form
    12,141,569.96/18,221,799.30 = 8,474,476.94/x
  3. Step 3: Cross multiply
    12,141,569.96x = 18,221,799.30 × 8,474,476.94
  4. Step 4: Simplify right side
    12,141,569.96x = 154,420,217,839,676.78
  5. Step 5: Solve for x
    x = 154,420,217,839,676.78/12,141,569.96
  6. Step 6: Final answer
    x = 12,718,307.30

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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.