Home / 7,788,154.70-11,682,232.05-2,738,809.10

Finding the Fourth Proportional to 7,788,154.70, 11,682,232.05 and 2,738,809.10

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Solution

The fourth proportional to 7,788,154.70, 11,682,232.05 and 2,738,809.10 is: 4,108,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,154.70 : 11,682,232.05 = 2,738,809.10 : x
  2. Step 2: Convert to fraction form
    7,788,154.70/11,682,232.05 = 2,738,809.10/x
  3. Step 3: Cross multiply
    7,788,154.70x = 11,682,232.05 × 2,738,809.10
  4. Step 4: Simplify right side
    7,788,154.70x = 31,995,403,446,851.66
  5. Step 5: Solve for x
    x = 31,995,403,446,851.66/7,788,154.70
  6. Step 6: Final answer
    x = 4,108,213.65

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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.