Home / 20,848,895.60-28,771,456.68-11,681,604

Finding the Fourth Proportional to 20,848,895.60, 28,771,456.68 and 11,681,604

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Solution

The fourth proportional to 20,848,895.60, 28,771,456.68 and 11,681,604 is: 16,120,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,895.60 : 28,771,456.68 = 11,681,604 : x
  2. Step 2: Convert to fraction form
    20,848,895.60/28,771,456.68 = 11,681,604/x
  3. Step 3: Cross multiply
    20,848,895.60x = 28,771,456.68 × 11,681,604
  4. Step 4: Simplify right side
    20,848,895.60x = 336,096,763,438,914.69
  5. Step 5: Solve for x
    x = 336,096,763,438,914.69/20,848,895.60
  6. Step 6: Final answer
    x = 16,120,602.74

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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.