Home / 7,490,732.80-11,217,091.20-4,121,132.80

Finding the Fourth Proportional to 7,490,732.80, 11,217,091.20 and 4,121,132.80

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Solution

The fourth proportional to 7,490,732.80, 11,217,091.20 and 4,121,132.80 is: 6,171,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,732.80 : 11,217,091.20 = 4,121,132.80 : x
  2. Step 2: Convert to fraction form
    7,490,732.80/11,217,091.20 = 4,121,132.80/x
  3. Step 3: Cross multiply
    7,490,732.80x = 11,217,091.20 × 4,121,132.80
  4. Step 4: Simplify right side
    7,490,732.80x = 46,227,122,464,911.35
  5. Step 5: Solve for x
    x = 46,227,122,464,911.35/7,490,732.80
  6. Step 6: Final answer
    x = 6,171,241.68

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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.