Home / 38,746,454.32-53,469,453.76-21,344,427.28

Finding the Fourth Proportional to 38,746,454.32, 53,469,453.76 and 21,344,427.28

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Solution

The fourth proportional to 38,746,454.32, 53,469,453.76 and 21,344,427.28 is: 29,454,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,746,454.32 : 53,469,453.76 = 21,344,427.28 : x
  2. Step 2: Convert to fraction form
    38,746,454.32/53,469,453.76 = 21,344,427.28/x
  3. Step 3: Cross multiply
    38,746,454.32x = 53,469,453.76 × 21,344,427.28
  4. Step 4: Simplify right side
    38,746,454.32x = 1,141,274,867,481,642.50
  5. Step 5: Solve for x
    x = 1,141,274,867,481,642.50/38,746,454.32
  6. Step 6: Final answer
    x = 29,454,949.81

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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.