Home / 12,289,241.84-18,436,240.91-4,715,618.72

Finding the Fourth Proportional to 12,289,241.84, 18,436,240.91 and 4,715,618.72

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Solution

The fourth proportional to 12,289,241.84, 18,436,240.91 and 4,715,618.72 is: 7,074,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,241.84 : 18,436,240.91 = 4,715,618.72 : x
  2. Step 2: Convert to fraction form
    12,289,241.84/18,436,240.91 = 4,715,618.72/x
  3. Step 3: Cross multiply
    12,289,241.84x = 18,436,240.91 × 4,715,618.72
  4. Step 4: Simplify right side
    12,289,241.84x = 86,938,282,681,233.69
  5. Step 5: Solve for x
    x = 86,938,282,681,233.69/12,289,241.84
  6. Step 6: Final answer
    x = 7,074,340.62

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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.