Home / 7,129,922.94-9,839,226.69-3,866,809.68

Finding the Fourth Proportional to 7,129,922.94, 9,839,226.69 and 3,866,809.68

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Solution

The fourth proportional to 7,129,922.94, 9,839,226.69 and 3,866,809.68 is: 5,336,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,922.94 : 9,839,226.69 = 3,866,809.68 : x
  2. Step 2: Convert to fraction form
    7,129,922.94/9,839,226.69 = 3,866,809.68/x
  3. Step 3: Cross multiply
    7,129,922.94x = 9,839,226.69 × 3,866,809.68
  4. Step 4: Simplify right side
    7,129,922.94x = 38,046,417,008,606.36
  5. Step 5: Solve for x
    x = 38,046,417,008,606.36/7,129,922.94
  6. Step 6: Final answer
    x = 5,336,161.04

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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.