Home / 20,627,518.22-28,464,306.27-11,926,249.10

Finding the Fourth Proportional to 20,627,518.22, 28,464,306.27 and 11,926,249.10

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Solution

The fourth proportional to 20,627,518.22, 28,464,306.27 and 11,926,249.10 is: 16,457,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,518.22 : 28,464,306.27 = 11,926,249.10 : x
  2. Step 2: Convert to fraction form
    20,627,518.22/28,464,306.27 = 11,926,249.10/x
  3. Step 3: Cross multiply
    20,627,518.22x = 28,464,306.27 × 11,926,249.10
  4. Step 4: Simplify right side
    20,627,518.22x = 339,472,407,034,711.81
  5. Step 5: Solve for x
    x = 339,472,407,034,711.81/20,627,518.22
  6. Step 6: Final answer
    x = 16,457,258.86

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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.