Home / 34,019,213.40-51,028,820.10-21,246,914.70

Finding the Fourth Proportional to 34,019,213.40, 51,028,820.10 and 21,246,914.70

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Solution

The fourth proportional to 34,019,213.40, 51,028,820.10 and 21,246,914.70 is: 31,870,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,019,213.40 : 51,028,820.10 = 21,246,914.70 : x
  2. Step 2: Convert to fraction form
    34,019,213.40/51,028,820.10 = 21,246,914.70/x
  3. Step 3: Cross multiply
    34,019,213.40x = 51,028,820.10 × 21,246,914.70
  4. Step 4: Simplify right side
    34,019,213.40x = 1,084,204,987,906,345.50
  5. Step 5: Solve for x
    x = 1,084,204,987,906,345.50/34,019,213.40
  6. Step 6: Final answer
    x = 31,870,372.05

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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.