Home / 13,305,935.40-19,958,903.10-11,962,242.60

Finding the Fourth Proportional to 13,305,935.40, 19,958,903.10 and 11,962,242.60

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Solution

The fourth proportional to 13,305,935.40, 19,958,903.10 and 11,962,242.60 is: 17,943,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,935.40 : 19,958,903.10 = 11,962,242.60 : x
  2. Step 2: Convert to fraction form
    13,305,935.40/19,958,903.10 = 11,962,242.60/x
  3. Step 3: Cross multiply
    13,305,935.40x = 19,958,903.10 × 11,962,242.60
  4. Step 4: Simplify right side
    13,305,935.40x = 238,753,240,912,092.06
  5. Step 5: Solve for x
    x = 238,753,240,912,092.06/13,305,935.40
  6. Step 6: Final answer
    x = 17,943,363.90

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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.