Home / 28,641,141.36-42,965,738.94-9,203,850.78

Finding the Fourth Proportional to 28,641,141.36, 42,965,738.94 and 9,203,850.78

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Solution

The fourth proportional to 28,641,141.36, 42,965,738.94 and 9,203,850.78 is: 13,807,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641,141.36 : 42,965,738.94 = 9,203,850.78 : x
  2. Step 2: Convert to fraction form
    28,641,141.36/42,965,738.94 = 9,203,850.78/x
  3. Step 3: Cross multiply
    28,641,141.36x = 42,965,738.94 × 9,203,850.78
  4. Step 4: Simplify right side
    28,641,141.36x = 395,450,249,856,195.31
  5. Step 5: Solve for x
    x = 395,450,249,856,195.31/28,641,141.36
  6. Step 6: Final answer
    x = 13,807,070.22

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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.