Home / 12,165,735-16,789,141.31-6,659,114.37

Finding the Fourth Proportional to 12,165,735, 16,789,141.31 and 6,659,114.37

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Solution

The fourth proportional to 12,165,735, 16,789,141.31 and 6,659,114.37 is: 9,189,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,735 : 16,789,141.31 = 6,659,114.37 : x
  2. Step 2: Convert to fraction form
    12,165,735/16,789,141.31 = 6,659,114.37/x
  3. Step 3: Cross multiply
    12,165,735x = 16,789,141.31 × 6,659,114.37
  4. Step 4: Simplify right side
    12,165,735x = 111,800,812,157,381.62
  5. Step 5: Solve for x
    x = 111,800,812,157,381.62/12,165,735
  6. Step 6: Final answer
    x = 9,189,811.56

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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.