Home / 7,111,752.79-10,663,309.30-2,788,623.83

Finding the Fourth Proportional to 7,111,752.79, 10,663,309.30 and 2,788,623.83

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Solution

The fourth proportional to 7,111,752.79, 10,663,309.30 and 2,788,623.83 is: 4,181,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,752.79 : 10,663,309.30 = 2,788,623.83 : x
  2. Step 2: Convert to fraction form
    7,111,752.79/10,663,309.30 = 2,788,623.83/x
  3. Step 3: Cross multiply
    7,111,752.79x = 10,663,309.30 × 2,788,623.83
  4. Step 4: Simplify right side
    7,111,752.79x = 29,735,958,420,640.62
  5. Step 5: Solve for x
    x = 29,735,958,420,640.62/7,111,752.79
  6. Step 6: Final answer
    x = 4,181,241.85

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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.