Home / 11,300,321.31-15,597,762.21-7,380,676.65

Finding the Fourth Proportional to 11,300,321.31, 15,597,762.21 and 7,380,676.65

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Solution

The fourth proportional to 11,300,321.31, 15,597,762.21 and 7,380,676.65 is: 10,187,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300,321.31 : 15,597,762.21 = 7,380,676.65 : x
  2. Step 2: Convert to fraction form
    11,300,321.31/15,597,762.21 = 7,380,676.65/x
  3. Step 3: Cross multiply
    11,300,321.31x = 15,597,762.21 × 7,380,676.65
  4. Step 4: Simplify right side
    11,300,321.31x = 115,122,039,409,492.73
  5. Step 5: Solve for x
    x = 115,122,039,409,492.73/11,300,321.31
  6. Step 6: Final answer
    x = 10,187,501.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.