Home / 34,145,712.40-51,255,893.40-21,380,630.80

Finding the Fourth Proportional to 34,145,712.40, 51,255,893.40 and 21,380,630.80

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Solution

The fourth proportional to 34,145,712.40, 51,255,893.40 and 21,380,630.80 is: 32,094,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145,712.40 : 51,255,893.40 = 21,380,630.80 : x
  2. Step 2: Convert to fraction form
    34,145,712.40/51,255,893.40 = 21,380,630.80/x
  3. Step 3: Cross multiply
    34,145,712.40x = 51,255,893.40 × 21,380,630.80
  4. Step 4: Simplify right side
    34,145,712.40x = 1,095,883,333,109,556.75
  5. Step 5: Solve for x
    x = 1,095,883,333,109,556.75/34,145,712.40
  6. Step 6: Final answer
    x = 32,094,317.44

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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.