Home / 39,401,998.60-59,102,997.90-21,262,145.80

Finding the Fourth Proportional to 39,401,998.60, 59,102,997.90 and 21,262,145.80

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Solution

The fourth proportional to 39,401,998.60, 59,102,997.90 and 21,262,145.80 is: 31,893,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401,998.60 : 59,102,997.90 = 21,262,145.80 : x
  2. Step 2: Convert to fraction form
    39,401,998.60/59,102,997.90 = 21,262,145.80/x
  3. Step 3: Cross multiply
    39,401,998.60x = 59,102,997.90 × 21,262,145.80
  4. Step 4: Simplify right side
    39,401,998.60x = 1,256,656,558,566,893.75
  5. Step 5: Solve for x
    x = 1,256,656,558,566,893.75/39,401,998.60
  6. Step 6: Final answer
    x = 31,893,218.70

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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.