Home / 12,372,075.44-17,073,855.60-7,144,989.05

Finding the Fourth Proportional to 12,372,075.44, 17,073,855.60 and 7,144,989.05

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Solution

The fourth proportional to 12,372,075.44, 17,073,855.60 and 7,144,989.05 is: 9,860,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,075.44 : 17,073,855.60 = 7,144,989.05 : x
  2. Step 2: Convert to fraction form
    12,372,075.44/17,073,855.60 = 7,144,989.05/x
  3. Step 3: Cross multiply
    12,372,075.44x = 17,073,855.60 × 7,144,989.05
  4. Step 4: Simplify right side
    12,372,075.44x = 121,992,511,217,911.91
  5. Step 5: Solve for x
    x = 121,992,511,217,911.91/12,372,075.44
  6. Step 6: Final answer
    x = 9,860,310.98

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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.