Home / 9,301,581.54-12,836,331.78-5,115,431.88

Finding the Fourth Proportional to 9,301,581.54, 12,836,331.78 and 5,115,431.88

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Solution

The fourth proportional to 9,301,581.54, 12,836,331.78 and 5,115,431.88 is: 7,059,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301,581.54 : 12,836,331.78 = 5,115,431.88 : x
  2. Step 2: Convert to fraction form
    9,301,581.54/12,836,331.78 = 5,115,431.88/x
  3. Step 3: Cross multiply
    9,301,581.54x = 12,836,331.78 × 5,115,431.88
  4. Step 4: Simplify right side
    9,301,581.54x = 65,663,380,809,669.14
  5. Step 5: Solve for x
    x = 65,663,380,809,669.14/9,301,581.54
  6. Step 6: Final answer
    x = 7,059,378.08

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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.