Home / 8,181,058.49-11,289,894.91-4,509,894.51

Finding the Fourth Proportional to 8,181,058.49, 11,289,894.91 and 4,509,894.51

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Solution

The fourth proportional to 8,181,058.49, 11,289,894.91 and 4,509,894.51 is: 6,223,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,058.49 : 11,289,894.91 = 4,509,894.51 : x
  2. Step 2: Convert to fraction form
    8,181,058.49/11,289,894.91 = 4,509,894.51/x
  3. Step 3: Cross multiply
    8,181,058.49x = 11,289,894.91 × 4,509,894.51
  4. Step 4: Simplify right side
    8,181,058.49x = 50,916,235,061,811.21
  5. Step 5: Solve for x
    x = 50,916,235,061,811.21/8,181,058.49
  6. Step 6: Final answer
    x = 6,223,673.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.