Home / 6,948,008.20-10,422,012.30-1,899,318.70

Finding the Fourth Proportional to 6,948,008.20, 10,422,012.30 and 1,899,318.70

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Solution

The fourth proportional to 6,948,008.20, 10,422,012.30 and 1,899,318.70 is: 2,848,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948,008.20 : 10,422,012.30 = 1,899,318.70 : x
  2. Step 2: Convert to fraction form
    6,948,008.20/10,422,012.30 = 1,899,318.70/x
  3. Step 3: Cross multiply
    6,948,008.20x = 10,422,012.30 × 1,899,318.70
  4. Step 4: Simplify right side
    6,948,008.20x = 19,794,722,853,020.01
  5. Step 5: Solve for x
    x = 19,794,722,853,020.01/6,948,008.20
  6. Step 6: Final answer
    x = 2,848,978.05

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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.