Home / 13,305,570.10-19,958,355.15-11,959,252.90

Finding the Fourth Proportional to 13,305,570.10, 19,958,355.15 and 11,959,252.90

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Solution

The fourth proportional to 13,305,570.10, 19,958,355.15 and 11,959,252.90 is: 17,938,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,570.10 : 19,958,355.15 = 11,959,252.90 : x
  2. Step 2: Convert to fraction form
    13,305,570.10/19,958,355.15 = 11,959,252.90/x
  3. Step 3: Cross multiply
    13,305,570.10x = 19,958,355.15 × 11,959,252.90
  4. Step 4: Simplify right side
    13,305,570.10x = 238,687,016,706,867.44
  5. Step 5: Solve for x
    x = 238,687,016,706,867.44/13,305,570.10
  6. Step 6: Final answer
    x = 17,938,879.35

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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.