Home / 9,870,161.30-13,620,867.01-5,519,249.18

Finding the Fourth Proportional to 9,870,161.30, 13,620,867.01 and 5,519,249.18

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Solution

The fourth proportional to 9,870,161.30, 13,620,867.01 and 5,519,249.18 is: 7,616,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,161.30 : 13,620,867.01 = 5,519,249.18 : x
  2. Step 2: Convert to fraction form
    9,870,161.30/13,620,867.01 = 5,519,249.18/x
  3. Step 3: Cross multiply
    9,870,161.30x = 13,620,867.01 × 5,519,249.18
  4. Step 4: Simplify right side
    9,870,161.30x = 75,176,958,993,929.09
  5. Step 5: Solve for x
    x = 75,176,958,993,929.09/9,870,161.30
  6. Step 6: Final answer
    x = 7,616,588.70

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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.