Home / 7,788,153.70-11,682,230.55-2,738,808.10

Finding the Fourth Proportional to 7,788,153.70, 11,682,230.55 and 2,738,808.10

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Solution

The fourth proportional to 7,788,153.70, 11,682,230.55 and 2,738,808.10 is: 4,108,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,153.70 : 11,682,230.55 = 2,738,808.10 : x
  2. Step 2: Convert to fraction form
    7,788,153.70/11,682,230.55 = 2,738,808.10/x
  3. Step 3: Cross multiply
    7,788,153.70x = 11,682,230.55 × 2,738,808.10
  4. Step 4: Simplify right side
    7,788,153.70x = 31,995,387,656,407.46
  5. Step 5: Solve for x
    x = 31,995,387,656,407.46/7,788,153.70
  6. Step 6: Final answer
    x = 4,108,212.15

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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.