Home / 8,557,168.32-11,808,909-4,689,833.04

Finding the Fourth Proportional to 8,557,168.32, 11,808,909 and 4,689,833.04

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Solution

The fourth proportional to 8,557,168.32, 11,808,909 and 4,689,833.04 is: 6,471,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,168.32 : 11,808,909 = 4,689,833.04 : x
  2. Step 2: Convert to fraction form
    8,557,168.32/11,808,909 = 4,689,833.04/x
  3. Step 3: Cross multiply
    8,557,168.32x = 11,808,909 × 4,689,833.04
  4. Step 4: Simplify right side
    8,557,168.32x = 55,381,811,594,553.36
  5. Step 5: Solve for x
    x = 55,381,811,594,553.36/8,557,168.32
  6. Step 6: Final answer
    x = 6,471,978.76

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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.