Home / 21,904,961.60-32,794,456.80-13,401,905.60

Finding the Fourth Proportional to 21,904,961.60, 32,794,456.80 and 13,401,905.60

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Solution

The fourth proportional to 21,904,961.60, 32,794,456.80 and 13,401,905.60 is: 20,064,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,961.60 : 32,794,456.80 = 13,401,905.60 : x
  2. Step 2: Convert to fraction form
    21,904,961.60/32,794,456.80 = 13,401,905.60/x
  3. Step 3: Cross multiply
    21,904,961.60x = 32,794,456.80 × 13,401,905.60
  4. Step 4: Simplify right side
    21,904,961.60x = 439,508,214,236,878.06
  5. Step 5: Solve for x
    x = 439,508,214,236,878.06/21,904,961.60
  6. Step 6: Final answer
    x = 20,064,322.52

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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.