Home / 20,298,704.70-30,449,439.45-6,464,567.10

Finding the Fourth Proportional to 20,298,704.70, 30,449,439.45 and 6,464,567.10

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Solution

The fourth proportional to 20,298,704.70, 30,449,439.45 and 6,464,567.10 is: 9,697,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,704.70 : 30,449,439.45 = 6,464,567.10 : x
  2. Step 2: Convert to fraction form
    20,298,704.70/30,449,439.45 = 6,464,567.10/x
  3. Step 3: Cross multiply
    20,298,704.70x = 30,449,439.45 × 6,464,567.10
  4. Step 4: Simplify right side
    20,298,704.70x = 196,842,444,481,912.09
  5. Step 5: Solve for x
    x = 196,842,444,481,912.09/20,298,704.70
  6. Step 6: Final answer
    x = 9,697,290.91

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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.