Home / 13,091,896.96-18,066,313.92-7,290,923.20

Finding the Fourth Proportional to 13,091,896.96, 18,066,313.92 and 7,290,923.20

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Solution

The fourth proportional to 13,091,896.96, 18,066,313.92 and 7,290,923.20 is: 10,061,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091,896.96 : 18,066,313.92 = 7,290,923.20 : x
  2. Step 2: Convert to fraction form
    13,091,896.96/18,066,313.92 = 7,290,923.20/x
  3. Step 3: Cross multiply
    13,091,896.96x = 18,066,313.92 × 7,290,923.20
  4. Step 4: Simplify right side
    13,091,896.96x = 131,720,107,297,810.95
  5. Step 5: Solve for x
    x = 131,720,107,297,810.95/13,091,896.96
  6. Step 6: Final answer
    x = 10,061,193.40

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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.