Home / 13,190,170.31-19,756,022.56-10,135,047.95

Finding the Fourth Proportional to 13,190,170.31, 19,756,022.56 and 10,135,047.95

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Solution

The fourth proportional to 13,190,170.31, 19,756,022.56 and 10,135,047.95 is: 15,180,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,170.31 : 19,756,022.56 = 10,135,047.95 : x
  2. Step 2: Convert to fraction form
    13,190,170.31/19,756,022.56 = 10,135,047.95/x
  3. Step 3: Cross multiply
    13,190,170.31x = 19,756,022.56 × 10,135,047.95
  4. Step 4: Simplify right side
    13,190,170.31x = 200,228,235,953,858.75
  5. Step 5: Solve for x
    x = 200,228,235,953,858.75/13,190,170.31
  6. Step 6: Final answer
    x = 15,180,109.98

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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.