Home / 12,132,175.20-18,185,315.40-6,054,939.60

Finding the Fourth Proportional to 12,132,175.20, 18,185,315.40 and 6,054,939.60

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Solution

The fourth proportional to 12,132,175.20, 18,185,315.40 and 6,054,939.60 is: 9,075,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,175.20 : 18,185,315.40 = 6,054,939.60 : x
  2. Step 2: Convert to fraction form
    12,132,175.20/18,185,315.40 = 6,054,939.60/x
  3. Step 3: Cross multiply
    12,132,175.20x = 18,185,315.40 × 6,054,939.60
  4. Step 4: Simplify right side
    12,132,175.20x = 110,110,986,353,949.83
  5. Step 5: Solve for x
    x = 110,110,986,353,949.83/12,132,175.20
  6. Step 6: Final answer
    x = 9,075,947.60

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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.