Home / 11,129,467.40-16,699,449.90-8,295,115.40

Finding the Fourth Proportional to 11,129,467.40, 16,699,449.90 and 8,295,115.40

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Solution

The fourth proportional to 11,129,467.40, 16,699,449.90 and 8,295,115.40 is: 12,446,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,467.40 : 16,699,449.90 = 8,295,115.40 : x
  2. Step 2: Convert to fraction form
    11,129,467.40/16,699,449.90 = 8,295,115.40/x
  3. Step 3: Cross multiply
    11,129,467.40x = 16,699,449.90 × 8,295,115.40
  4. Step 4: Simplify right side
    11,129,467.40x = 138,523,864,037,018.47
  5. Step 5: Solve for x
    x = 138,523,864,037,018.47/11,129,467.40
  6. Step 6: Final answer
    x = 12,446,585.18

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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.