Home / 11,985,947.36-17,979,087.12-3,898,965.32

Finding the Fourth Proportional to 11,985,947.36, 17,979,087.12 and 3,898,965.32

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Solution

The fourth proportional to 11,985,947.36, 17,979,087.12 and 3,898,965.32 is: 5,848,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,947.36 : 17,979,087.12 = 3,898,965.32 : x
  2. Step 2: Convert to fraction form
    11,985,947.36/17,979,087.12 = 3,898,965.32/x
  3. Step 3: Cross multiply
    11,985,947.36x = 17,979,087.12 × 3,898,965.32
  4. Step 4: Simplify right side
    11,985,947.36x = 70,099,837,166,138.68
  5. Step 5: Solve for x
    x = 70,099,837,166,138.68/11,985,947.36
  6. Step 6: Final answer
    x = 5,848,502.00

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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.