Home / 21,033,584.40-31,553,863.44-7,383,188.88

Finding the Fourth Proportional to 21,033,584.40, 31,553,863.44 and 7,383,188.88

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Solution

The fourth proportional to 21,033,584.40, 31,553,863.44 and 7,383,188.88 is: 11,076,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,584.40 : 31,553,863.44 = 7,383,188.88 : x
  2. Step 2: Convert to fraction form
    21,033,584.40/31,553,863.44 = 7,383,188.88/x
  3. Step 3: Cross multiply
    21,033,584.40x = 31,553,863.44 × 7,383,188.88
  4. Step 4: Simplify right side
    21,033,584.40x = 232,968,133,671,246.56
  5. Step 5: Solve for x
    x = 232,968,133,671,246.56/21,033,584.40
  6. Step 6: Final answer
    x = 11,076,007.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.