Home / 20,775,404.90-31,172,438.55-9,410,003.30

Finding the Fourth Proportional to 20,775,404.90, 31,172,438.55 and 9,410,003.30

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Solution

The fourth proportional to 20,775,404.90, 31,172,438.55 and 9,410,003.30 is: 14,119,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,775,404.90 : 31,172,438.55 = 9,410,003.30 : x
  2. Step 2: Convert to fraction form
    20,775,404.90/31,172,438.55 = 9,410,003.30/x
  3. Step 3: Cross multiply
    20,775,404.90x = 31,172,438.55 × 9,410,003.30
  4. Step 4: Simplify right side
    20,775,404.90x = 293,332,749,624,547.25
  5. Step 5: Solve for x
    x = 293,332,749,624,547.25/20,775,404.90
  6. Step 6: Final answer
    x = 14,119,231.42

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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.