Home / 13,717,828.62-18,928,863.56-7,521,244.71

Finding the Fourth Proportional to 13,717,828.62, 18,928,863.56 and 7,521,244.71

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Solution

The fourth proportional to 13,717,828.62, 18,928,863.56 and 7,521,244.71 is: 10,378,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717,828.62 : 18,928,863.56 = 7,521,244.71 : x
  2. Step 2: Convert to fraction form
    13,717,828.62/18,928,863.56 = 7,521,244.71/x
  3. Step 3: Cross multiply
    13,717,828.62x = 18,928,863.56 × 7,521,244.71
  4. Step 4: Simplify right side
    13,717,828.62x = 142,368,614,879,355.53
  5. Step 5: Solve for x
    x = 142,368,614,879,355.53/13,717,828.62
  6. Step 6: Final answer
    x = 10,378,363.72

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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.