Home / 21,505,695.90-32,258,543.85-9,538,431.90

Finding the Fourth Proportional to 21,505,695.90, 32,258,543.85 and 9,538,431.90

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Solution

The fourth proportional to 21,505,695.90, 32,258,543.85 and 9,538,431.90 is: 14,307,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,695.90 : 32,258,543.85 = 9,538,431.90 : x
  2. Step 2: Convert to fraction form
    21,505,695.90/32,258,543.85 = 9,538,431.90/x
  3. Step 3: Cross multiply
    21,505,695.90x = 32,258,543.85 × 9,538,431.90
  4. Step 4: Simplify right side
    21,505,695.90x = 307,695,923,706,388.81
  5. Step 5: Solve for x
    x = 307,695,923,706,388.81/21,505,695.90
  6. Step 6: Final answer
    x = 14,307,647.85

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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.