Home / 20,848,898.68-28,771,460.82-11,681,607.04

Finding the Fourth Proportional to 20,848,898.68, 28,771,460.82 and 11,681,607.04

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Solution

The fourth proportional to 20,848,898.68, 28,771,460.82 and 11,681,607.04 is: 16,120,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,898.68 : 28,771,460.82 = 11,681,607.04 : x
  2. Step 2: Convert to fraction form
    20,848,898.68/28,771,460.82 = 11,681,607.04/x
  3. Step 3: Cross multiply
    20,848,898.68x = 28,771,460.82 × 11,681,607.04
  4. Step 4: Simplify right side
    20,848,898.68x = 336,096,899,265,996.12
  5. Step 5: Solve for x
    x = 336,096,899,265,996.12/20,848,898.68
  6. Step 6: Final answer
    x = 16,120,606.87

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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.