Home / 12,786,483.78-19,179,738.18-3,564,087.84

Finding the Fourth Proportional to 12,786,483.78, 19,179,738.18 and 3,564,087.84

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Solution

The fourth proportional to 12,786,483.78, 19,179,738.18 and 3,564,087.84 is: 5,346,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,483.78 : 19,179,738.18 = 3,564,087.84 : x
  2. Step 2: Convert to fraction form
    12,786,483.78/19,179,738.18 = 3,564,087.84/x
  3. Step 3: Cross multiply
    12,786,483.78x = 19,179,738.18 × 3,564,087.84
  4. Step 4: Simplify right side
    12,786,483.78x = 68,358,271,621,721.73
  5. Step 5: Solve for x
    x = 68,358,271,621,721.73/12,786,483.78
  6. Step 6: Final answer
    x = 5,346,135.25

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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.