Home / 12,215,313.56-18,322,954.84-3,117,411.33

Finding the Fourth Proportional to 12,215,313.56, 18,322,954.84 and 3,117,411.33

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Solution

The fourth proportional to 12,215,313.56, 18,322,954.84 and 3,117,411.33 is: 4,676,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,313.56 : 18,322,954.84 = 3,117,411.33 : x
  2. Step 2: Convert to fraction form
    12,215,313.56/18,322,954.84 = 3,117,411.33/x
  3. Step 3: Cross multiply
    12,215,313.56x = 18,322,954.84 × 3,117,411.33
  4. Step 4: Simplify right side
    12,215,313.56x = 57,120,186,980,174.59
  5. Step 5: Solve for x
    x = 57,120,186,980,174.59/12,215,313.56
  6. Step 6: Final answer
    x = 4,676,113.04

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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.