Home / 30,222,074.20-45,333,111.30-21,782,003.80

Finding the Fourth Proportional to 30,222,074.20, 45,333,111.30 and 21,782,003.80

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Solution

The fourth proportional to 30,222,074.20, 45,333,111.30 and 21,782,003.80 is: 32,673,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222,074.20 : 45,333,111.30 = 21,782,003.80 : x
  2. Step 2: Convert to fraction form
    30,222,074.20/45,333,111.30 = 21,782,003.80/x
  3. Step 3: Cross multiply
    30,222,074.20x = 45,333,111.30 × 21,782,003.80
  4. Step 4: Simplify right side
    30,222,074.20x = 987,446,002,602,422.88
  5. Step 5: Solve for x
    x = 987,446,002,602,422.88/30,222,074.20
  6. Step 6: Final answer
    x = 32,673,005.70

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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.