Home / 21,505,622.80-32,258,434.20-8,040,701.20

Finding the Fourth Proportional to 21,505,622.80, 32,258,434.20 and 8,040,701.20

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Solution

The fourth proportional to 21,505,622.80, 32,258,434.20 and 8,040,701.20 is: 12,061,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,622.80 : 32,258,434.20 = 8,040,701.20 : x
  2. Step 2: Convert to fraction form
    21,505,622.80/32,258,434.20 = 8,040,701.20/x
  3. Step 3: Cross multiply
    21,505,622.80x = 32,258,434.20 × 8,040,701.20
  4. Step 4: Simplify right side
    21,505,622.80x = 259,380,430,582,061.03
  5. Step 5: Solve for x
    x = 259,380,430,582,061.03/21,505,622.80
  6. Step 6: Final answer
    x = 12,061,051.80

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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.