Home / 15,406,365.11-21,260,524.21-8,530,699.55

Finding the Fourth Proportional to 15,406,365.11, 21,260,524.21 and 8,530,699.55

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Solution

The fourth proportional to 15,406,365.11, 21,260,524.21 and 8,530,699.55 is: 11,772,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,365.11 : 21,260,524.21 = 8,530,699.55 : x
  2. Step 2: Convert to fraction form
    15,406,365.11/21,260,524.21 = 8,530,699.55/x
  3. Step 3: Cross multiply
    15,406,365.11x = 21,260,524.21 × 8,530,699.55
  4. Step 4: Simplify right side
    15,406,365.11x = 181,367,144,183,381.72
  5. Step 5: Solve for x
    x = 181,367,144,183,381.72/15,406,365.11
  6. Step 6: Final answer
    x = 11,772,221.61

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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.