Home / 21,505,635.56-32,258,453.52-12,523,889

Finding the Fourth Proportional to 21,505,635.56, 32,258,453.52 and 12,523,889

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Solution

The fourth proportional to 21,505,635.56, 32,258,453.52 and 12,523,889 is: 18,785,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,635.56 : 32,258,453.52 = 12,523,889 : x
  2. Step 2: Convert to fraction form
    21,505,635.56/32,258,453.52 = 12,523,889/x
  3. Step 3: Cross multiply
    21,505,635.56x = 32,258,453.52 × 12,523,889
  4. Step 4: Simplify right side
    21,505,635.56x = 404,001,291,196,139.25
  5. Step 5: Solve for x
    x = 404,001,291,196,139.25/21,505,635.56
  6. Step 6: Final answer
    x = 18,785,833.60

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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.