Home / 35,388,072.20-52,975,820.10-21,003,735.80

Finding the Fourth Proportional to 35,388,072.20, 52,975,820.10 and 21,003,735.80

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Solution

The fourth proportional to 35,388,072.20, 52,975,820.10 and 21,003,735.80 is: 31,442,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388,072.20 : 52,975,820.10 = 21,003,735.80 : x
  2. Step 2: Convert to fraction form
    35,388,072.20/52,975,820.10 = 21,003,735.80/x
  3. Step 3: Cross multiply
    35,388,072.20x = 52,975,820.10 × 21,003,735.80
  4. Step 4: Simplify right side
    35,388,072.20x = 1,112,690,129,168,729.62
  5. Step 5: Solve for x
    x = 1,112,690,129,168,729.62/35,388,072.20
  6. Step 6: Final answer
    x = 31,442,518.91

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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.