Home / 30,591,069.91-45,886,400.74-12,394,996.63

Finding the Fourth Proportional to 30,591,069.91, 45,886,400.74 and 12,394,996.63

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Solution

The fourth proportional to 30,591,069.91, 45,886,400.74 and 12,394,996.63 is: 18,592,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,069.91 : 45,886,400.74 = 12,394,996.63 : x
  2. Step 2: Convert to fraction form
    30,591,069.91/45,886,400.74 = 12,394,996.63/x
  3. Step 3: Cross multiply
    30,591,069.91x = 45,886,400.74 × 12,394,996.63
  4. Step 4: Simplify right side
    30,591,069.91x = 568,761,782,535,129.62
  5. Step 5: Solve for x
    x = 568,761,782,535,129.62/30,591,069.91
  6. Step 6: Final answer
    x = 18,592,412.24

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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.