Home / 12,217,411.56-18,309,093.14-9,181,232.12

Finding the Fourth Proportional to 12,217,411.56, 18,309,093.14 and 9,181,232.12

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Solution

The fourth proportional to 12,217,411.56, 18,309,093.14 and 9,181,232.12 is: 13,759,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,411.56 : 18,309,093.14 = 9,181,232.12 : x
  2. Step 2: Convert to fraction form
    12,217,411.56/18,309,093.14 = 9,181,232.12/x
  3. Step 3: Cross multiply
    12,217,411.56x = 18,309,093.14 × 9,181,232.12
  4. Step 4: Simplify right side
    12,217,411.56x = 168,100,034,025,039.66
  5. Step 5: Solve for x
    x = 168,100,034,025,039.66/12,217,411.56
  6. Step 6: Final answer
    x = 13,759,054.71

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1.5x scale

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.