Home / 13,081,747.44-18,052,811.70-7,281,899.30

Finding the Fourth Proportional to 13,081,747.44, 18,052,811.70 and 7,281,899.30

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Solution

The fourth proportional to 13,081,747.44, 18,052,811.70 and 7,281,899.30 is: 10,049,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,747.44 : 18,052,811.70 = 7,281,899.30 : x
  2. Step 2: Convert to fraction form
    13,081,747.44/18,052,811.70 = 7,281,899.30/x
  3. Step 3: Cross multiply
    13,081,747.44x = 18,052,811.70 × 7,281,899.30
  4. Step 4: Simplify right side
    13,081,747.44x = 131,458,756,881,261.80
  5. Step 5: Solve for x
    x = 131,458,756,881,261.80/13,081,747.44
  6. Step 6: Final answer
    x = 10,049,021.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.