Home / 20,663,901.24-31,000,336-6,286,595.36

Finding the Fourth Proportional to 20,663,901.24, 31,000,336 and 6,286,595.36

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Solution

The fourth proportional to 20,663,901.24, 31,000,336 and 6,286,595.36 is: 9,431,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,901.24 : 31,000,336 = 6,286,595.36 : x
  2. Step 2: Convert to fraction form
    20,663,901.24/31,000,336 = 6,286,595.36/x
  3. Step 3: Cross multiply
    20,663,901.24x = 31,000,336 × 6,286,595.36
  4. Step 4: Simplify right side
    20,663,901.24x = 194,886,568,456,040.97
  5. Step 5: Solve for x
    x = 194,886,568,456,040.97/20,663,901.24
  6. Step 6: Final answer
    x = 9,431,257.25

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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.