Home / 13,458,538.70-20,187,808.05-9,844,739.90

Finding the Fourth Proportional to 13,458,538.70, 20,187,808.05 and 9,844,739.90

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Solution

The fourth proportional to 13,458,538.70, 20,187,808.05 and 9,844,739.90 is: 14,767,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,538.70 : 20,187,808.05 = 9,844,739.90 : x
  2. Step 2: Convert to fraction form
    13,458,538.70/20,187,808.05 = 9,844,739.90/x
  3. Step 3: Cross multiply
    13,458,538.70x = 20,187,808.05 × 9,844,739.90
  4. Step 4: Simplify right side
    13,458,538.70x = 198,743,719,403,376.22
  5. Step 5: Solve for x
    x = 198,743,719,403,376.22/13,458,538.70
  6. Step 6: Final answer
    x = 14,767,109.85

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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.