Home / 15,406,045-21,260,082.22-8,530,379.44

Finding the Fourth Proportional to 15,406,045, 21,260,082.22 and 8,530,379.44

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Solution

The fourth proportional to 15,406,045, 21,260,082.22 and 8,530,379.44 is: 11,771,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,045 : 21,260,082.22 = 8,530,379.44 : x
  2. Step 2: Convert to fraction form
    15,406,045/21,260,082.22 = 8,530,379.44/x
  3. Step 3: Cross multiply
    15,406,045x = 21,260,082.22 × 8,530,379.44
  4. Step 4: Simplify right side
    15,406,045x = 181,356,568,262,197.53
  5. Step 5: Solve for x
    x = 181,356,568,262,197.53/15,406,045
  6. Step 6: Final answer
    x = 11,771,779.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.