Home / 10,368,619.20-15,552,928.80-4,689,028.80

Finding the Fourth Proportional to 10,368,619.20, 15,552,928.80 and 4,689,028.80

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Solution

The fourth proportional to 10,368,619.20, 15,552,928.80 and 4,689,028.80 is: 7,033,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,619.20 : 15,552,928.80 = 4,689,028.80 : x
  2. Step 2: Convert to fraction form
    10,368,619.20/15,552,928.80 = 4,689,028.80/x
  3. Step 3: Cross multiply
    10,368,619.20x = 15,552,928.80 × 4,689,028.80
  4. Step 4: Simplify right side
    10,368,619.20x = 72,928,131,067,549.44
  5. Step 5: Solve for x
    x = 72,928,131,067,549.44/10,368,619.20
  6. Step 6: Final answer
    x = 7,033,543.20

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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.