Home / 39,074,517.36-58,620,705.48-13,515,505.20

Finding the Fourth Proportional to 39,074,517.36, 58,620,705.48 and 13,515,505.20

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Solution

The fourth proportional to 39,074,517.36, 58,620,705.48 and 13,515,505.20 is: 20,276,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,074,517.36 : 58,620,705.48 = 13,515,505.20 : x
  2. Step 2: Convert to fraction form
    39,074,517.36/58,620,705.48 = 13,515,505.20/x
  3. Step 3: Cross multiply
    39,074,517.36x = 58,620,705.48 × 13,515,505.20
  4. Step 4: Simplify right side
    39,074,517.36x = 792,288,449,742,608.38
  5. Step 5: Solve for x
    x = 792,288,449,742,608.38/39,074,517.36
  6. Step 6: Final answer
    x = 20,276,346.41

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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.