Home / 12,035,992.51-18,053,352.91-3,947,902.75

Finding the Fourth Proportional to 12,035,992.51, 18,053,352.91 and 3,947,902.75

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Solution

The fourth proportional to 12,035,992.51, 18,053,352.91 and 3,947,902.75 is: 5,921,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035,992.51 : 18,053,352.91 = 3,947,902.75 : x
  2. Step 2: Convert to fraction form
    12,035,992.51/18,053,352.91 = 3,947,902.75/x
  3. Step 3: Cross multiply
    12,035,992.51x = 18,053,352.91 × 3,947,902.75
  4. Step 4: Simplify right side
    12,035,992.51x = 71,272,881,600,109.50
  5. Step 5: Solve for x
    x = 71,272,881,600,109.50/12,035,992.51
  6. Step 6: Final answer
    x = 5,921,645.56

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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.