Home / 9,159,930.80-13,739,896.20-5,317,809.20

Finding the Fourth Proportional to 9,159,930.80, 13,739,896.20 and 5,317,809.20

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Solution

The fourth proportional to 9,159,930.80, 13,739,896.20 and 5,317,809.20 is: 7,976,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159,930.80 : 13,739,896.20 = 5,317,809.20 : x
  2. Step 2: Convert to fraction form
    9,159,930.80/13,739,896.20 = 5,317,809.20/x
  3. Step 3: Cross multiply
    9,159,930.80x = 13,739,896.20 × 5,317,809.20
  4. Step 4: Simplify right side
    9,159,930.80x = 73,066,146,419,405.03
  5. Step 5: Solve for x
    x = 73,066,146,419,405.03/9,159,930.80
  6. Step 6: Final answer
    x = 7,976,713.80

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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.