Home / 13,190,171.81-19,756,024.82-10,135,049.45

Finding the Fourth Proportional to 13,190,171.81, 19,756,024.82 and 10,135,049.45

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Solution

The fourth proportional to 13,190,171.81, 19,756,024.82 and 10,135,049.45 is: 15,180,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,171.81 : 19,756,024.82 = 10,135,049.45 : x
  2. Step 2: Convert to fraction form
    13,190,171.81/19,756,024.82 = 10,135,049.45/x
  3. Step 3: Cross multiply
    13,190,171.81x = 19,756,024.82 × 10,135,049.45
  4. Step 4: Simplify right side
    13,190,171.81x = 200,228,288,484,842.19
  5. Step 5: Solve for x
    x = 200,228,288,484,842.19/13,190,171.81
  6. Step 6: Final answer
    x = 15,180,112.23

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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.