Home / 21,028,450.56-31,542,422.06-5,464,900.50

Finding the Fourth Proportional to 21,028,450.56, 31,542,422.06 and 5,464,900.50

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Solution

The fourth proportional to 21,028,450.56, 31,542,422.06 and 5,464,900.50 is: 8,197,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028,450.56 : 31,542,422.06 = 5,464,900.50 : x
  2. Step 2: Convert to fraction form
    21,028,450.56/31,542,422.06 = 5,464,900.50/x
  3. Step 3: Cross multiply
    21,028,450.56x = 31,542,422.06 × 5,464,900.50
  4. Step 4: Simplify right side
    21,028,450.56x = 172,376,198,059,580.53
  5. Step 5: Solve for x
    x = 172,376,198,059,580.53/21,028,450.56
  6. Step 6: Final answer
    x = 8,197,284.80

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Double scale
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1.5x scale

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.