Home / 30,534,002.80-45,801,004.20-21,446,361.70

Finding the Fourth Proportional to 30,534,002.80, 45,801,004.20 and 21,446,361.70

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Solution

The fourth proportional to 30,534,002.80, 45,801,004.20 and 21,446,361.70 is: 32,169,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534,002.80 : 45,801,004.20 = 21,446,361.70 : x
  2. Step 2: Convert to fraction form
    30,534,002.80/45,801,004.20 = 21,446,361.70/x
  3. Step 3: Cross multiply
    30,534,002.80x = 45,801,004.20 × 21,446,361.70
  4. Step 4: Simplify right side
    30,534,002.80x = 982,264,902,296,419.12
  5. Step 5: Solve for x
    x = 982,264,902,296,419.12/30,534,002.80
  6. Step 6: Final answer
    x = 32,169,542.55

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1.5x scale

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.