Home / 20,848,893.60-28,771,453.92-11,681,602

Finding the Fourth Proportional to 20,848,893.60, 28,771,453.92 and 11,681,602

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Solution

The fourth proportional to 20,848,893.60, 28,771,453.92 and 11,681,602 is: 16,120,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,893.60 : 28,771,453.92 = 11,681,602 : x
  2. Step 2: Convert to fraction form
    20,848,893.60/28,771,453.92 = 11,681,602/x
  3. Step 3: Cross multiply
    20,848,893.60x = 28,771,453.92 × 11,681,602
  4. Step 4: Simplify right side
    20,848,893.60x = 336,096,673,654,779.88
  5. Step 5: Solve for x
    x = 336,096,673,654,779.88/20,848,893.60
  6. Step 6: Final answer
    x = 16,120,599.98

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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.