Home / 13,150,091.54-18,147,193.44-7,348,970.18

Finding the Fourth Proportional to 13,150,091.54, 18,147,193.44 and 7,348,970.18

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Solution

The fourth proportional to 13,150,091.54, 18,147,193.44 and 7,348,970.18 is: 10,141,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,091.54 : 18,147,193.44 = 7,348,970.18 : x
  2. Step 2: Convert to fraction form
    13,150,091.54/18,147,193.44 = 7,348,970.18/x
  3. Step 3: Cross multiply
    13,150,091.54x = 18,147,193.44 × 7,348,970.18
  4. Step 4: Simplify right side
    13,150,091.54x = 133,363,183,441,251.62
  5. Step 5: Solve for x
    x = 133,363,183,441,251.62/13,150,091.54
  6. Step 6: Final answer
    x = 10,141,616.36

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1.5x scale

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.