Home / 20,171,472.40-27,834,485.46-11,350,769.62

Finding the Fourth Proportional to 20,171,472.40, 27,834,485.46 and 11,350,769.62

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Solution

The fourth proportional to 20,171,472.40, 27,834,485.46 and 11,350,769.62 is: 15,662,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171,472.40 : 27,834,485.46 = 11,350,769.62 : x
  2. Step 2: Convert to fraction form
    20,171,472.40/27,834,485.46 = 11,350,769.62/x
  3. Step 3: Cross multiply
    20,171,472.40x = 27,834,485.46 × 11,350,769.62
  4. Step 4: Simplify right side
    20,171,472.40x = 315,942,831,947,699.69
  5. Step 5: Solve for x
    x = 315,942,831,947,699.69/20,171,472.40
  6. Step 6: Final answer
    x = 15,662,854.24

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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.