Home / 30,361,583-45,542,418.30-12,410,687

Finding the Fourth Proportional to 30,361,583, 45,542,418.30 and 12,410,687

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Solution

The fourth proportional to 30,361,583, 45,542,418.30 and 12,410,687 is: 18,616,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,583 : 45,542,418.30 = 12,410,687 : x
  2. Step 2: Convert to fraction form
    30,361,583/45,542,418.30 = 12,410,687/x
  3. Step 3: Cross multiply
    30,361,583x = 45,542,418.30 × 12,410,687
  4. Step 4: Simplify right side
    30,361,583x = 565,212,698,744,372.12
  5. Step 5: Solve for x
    x = 565,212,698,744,372.12/30,361,583
  6. Step 6: Final answer
    x = 18,616,048.40

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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.