Home / 13,775,930.55-20,666,885.26-4,191,059.97

Finding the Fourth Proportional to 13,775,930.55, 20,666,885.26 and 4,191,059.97

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Solution

The fourth proportional to 13,775,930.55, 20,666,885.26 and 4,191,059.97 is: 6,287,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,930.55 : 20,666,885.26 = 4,191,059.97 : x
  2. Step 2: Convert to fraction form
    13,775,930.55/20,666,885.26 = 4,191,059.97/x
  3. Step 3: Cross multiply
    13,775,930.55x = 20,666,885.26 × 4,191,059.97
  4. Step 4: Simplify right side
    13,775,930.55x = 86,616,155,517,769.05
  5. Step 5: Solve for x
    x = 86,616,155,517,769.05/13,775,930.55
  6. Step 6: Final answer
    x = 6,287,499.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.