Home / 21,552,372.45-32,328,558.68-19,214,032.05

Finding the Fourth Proportional to 21,552,372.45, 32,328,558.68 and 19,214,032.05

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Solution

The fourth proportional to 21,552,372.45, 32,328,558.68 and 19,214,032.05 is: 28,821,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,372.45 : 32,328,558.68 = 19,214,032.05 : x
  2. Step 2: Convert to fraction form
    21,552,372.45/32,328,558.68 = 19,214,032.05/x
  3. Step 3: Cross multiply
    21,552,372.45x = 32,328,558.68 × 19,214,032.05
  4. Step 4: Simplify right side
    21,552,372.45x = 621,161,962,511,755.62
  5. Step 5: Solve for x
    x = 621,161,962,511,755.62/21,552,372.45
  6. Step 6: Final answer
    x = 28,821,048.08

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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.