Home / 20,663,896.59-31,000,329.02-6,286,590.70

Finding the Fourth Proportional to 20,663,896.59, 31,000,329.02 and 6,286,590.70

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Solution

The fourth proportional to 20,663,896.59, 31,000,329.02 and 6,286,590.70 is: 9,431,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,896.59 : 31,000,329.02 = 6,286,590.70 : x
  2. Step 2: Convert to fraction form
    20,663,896.59/31,000,329.02 = 6,286,590.70/x
  3. Step 3: Cross multiply
    20,663,896.59x = 31,000,329.02 × 6,286,590.70
  4. Step 4: Simplify right side
    20,663,896.59x = 194,886,380,052,287.78
  5. Step 5: Solve for x
    x = 194,886,380,052,287.78/20,663,896.59
  6. Step 6: Final answer
    x = 9,431,250.26

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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.