Home / 14,454,805.76-19,947,660.71-7,928,488.88

Finding the Fourth Proportional to 14,454,805.76, 19,947,660.71 and 7,928,488.88

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Solution

The fourth proportional to 14,454,805.76, 19,947,660.71 and 7,928,488.88 is: 10,941,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454,805.76 : 19,947,660.71 = 7,928,488.88 : x
  2. Step 2: Convert to fraction form
    14,454,805.76/19,947,660.71 = 7,928,488.88/x
  3. Step 3: Cross multiply
    14,454,805.76x = 19,947,660.71 × 7,928,488.88
  4. Step 4: Simplify right side
    14,454,805.76x = 158,154,805,981,867.16
  5. Step 5: Solve for x
    x = 158,154,805,981,867.16/14,454,805.76
  6. Step 6: Final answer
    x = 10,941,330.42

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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.