Home / 13,468,078.78-20,205,106.16-3,882,709.28

Finding the Fourth Proportional to 13,468,078.78, 20,205,106.16 and 3,882,709.28

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Solution

The fourth proportional to 13,468,078.78, 20,205,106.16 and 3,882,709.28 is: 5,824,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,078.78 : 20,205,106.16 = 3,882,709.28 : x
  2. Step 2: Convert to fraction form
    13,468,078.78/20,205,106.16 = 3,882,709.28/x
  3. Step 3: Cross multiply
    13,468,078.78x = 20,205,106.16 × 3,882,709.28
  4. Step 4: Simplify right side
    13,468,078.78x = 78,450,553,221,916.39
  5. Step 5: Solve for x
    x = 78,450,553,221,916.39/13,468,078.78
  6. Step 6: Final answer
    x = 5,824,925.33

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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.