Home / 20,317,376.64-30,474,198.72-6,854,321.28

Finding the Fourth Proportional to 20,317,376.64, 30,474,198.72 and 6,854,321.28

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Solution

The fourth proportional to 20,317,376.64, 30,474,198.72 and 6,854,321.28 is: 10,280,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,376.64 : 30,474,198.72 = 6,854,321.28 : x
  2. Step 2: Convert to fraction form
    20,317,376.64/30,474,198.72 = 6,854,321.28/x
  3. Step 3: Cross multiply
    20,317,376.64x = 30,474,198.72 × 6,854,321.28
  4. Step 4: Simplify right side
    20,317,376.64x = 208,879,948,777,444.75
  5. Step 5: Solve for x
    x = 208,879,948,777,444.75/20,317,376.64
  6. Step 6: Final answer
    x = 10,280,852.32

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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.