Home / 11,788,356.44-16,270,160.46-7,380,132.68

Finding the Fourth Proportional to 11,788,356.44, 16,270,160.46 and 7,380,132.68

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Solution

The fourth proportional to 11,788,356.44, 16,270,160.46 and 7,380,132.68 is: 10,185,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788,356.44 : 16,270,160.46 = 7,380,132.68 : x
  2. Step 2: Convert to fraction form
    11,788,356.44/16,270,160.46 = 7,380,132.68/x
  3. Step 3: Cross multiply
    11,788,356.44x = 16,270,160.46 × 7,380,132.68
  4. Step 4: Simplify right side
    11,788,356.44x = 120,075,942,919,689.83
  5. Step 5: Solve for x
    x = 120,075,942,919,689.83/11,788,356.44
  6. Step 6: Final answer
    x = 10,185,978.30

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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.