Home / 7,251,909.19-10,007,639.81-3,988,972.17

Finding the Fourth Proportional to 7,251,909.19, 10,007,639.81 and 3,988,972.17

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Solution

The fourth proportional to 7,251,909.19, 10,007,639.81 and 3,988,972.17 is: 5,504,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,909.19 : 10,007,639.81 = 3,988,972.17 : x
  2. Step 2: Convert to fraction form
    7,251,909.19/10,007,639.81 = 3,988,972.17/x
  3. Step 3: Cross multiply
    7,251,909.19x = 10,007,639.81 × 3,988,972.17
  4. Step 4: Simplify right side
    7,251,909.19x = 39,920,196,689,474.09
  5. Step 5: Solve for x
    x = 39,920,196,689,474.09/7,251,909.19
  6. Step 6: Final answer
    x = 5,504,784.42

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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.