Home / 10,983,621.40-16,478,175.67-7,751,467.76

Finding the Fourth Proportional to 10,983,621.40, 16,478,175.67 and 7,751,467.76

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Solution

The fourth proportional to 10,983,621.40, 16,478,175.67 and 7,751,467.76 is: 11,629,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983,621.40 : 16,478,175.67 = 7,751,467.76 : x
  2. Step 2: Convert to fraction form
    10,983,621.40/16,478,175.67 = 7,751,467.76/x
  3. Step 3: Cross multiply
    10,983,621.40x = 16,478,175.67 × 7,751,467.76
  4. Step 4: Simplify right side
    10,983,621.40x = 127,730,047,498,467.33
  5. Step 5: Solve for x
    x = 127,730,047,498,467.33/10,983,621.40
  6. Step 6: Final answer
    x = 11,629,137.87

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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.