Home / 10,827,187.82-16,235,467.31-5,355,961.20

Finding the Fourth Proportional to 10,827,187.82, 16,235,467.31 and 5,355,961.20

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Solution

The fourth proportional to 10,827,187.82, 16,235,467.31 and 5,355,961.20 is: 8,031,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827,187.82 : 16,235,467.31 = 5,355,961.20 : x
  2. Step 2: Convert to fraction form
    10,827,187.82/16,235,467.31 = 5,355,961.20/x
  3. Step 3: Cross multiply
    10,827,187.82x = 16,235,467.31 × 5,355,961.20
  4. Step 4: Simplify right side
    10,827,187.82x = 86,956,532,949,448.56
  5. Step 5: Solve for x
    x = 86,956,532,949,448.56/10,827,187.82
  6. Step 6: Final answer
    x = 8,031,312.88

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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.