Home / 39,420,203.66-59,130,305.48-12,493,859.66

Finding the Fourth Proportional to 39,420,203.66, 59,130,305.48 and 12,493,859.66

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Solution

The fourth proportional to 39,420,203.66, 59,130,305.48 and 12,493,859.66 is: 18,740,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,203.66 : 59,130,305.48 = 12,493,859.66 : x
  2. Step 2: Convert to fraction form
    39,420,203.66/59,130,305.48 = 12,493,859.66/x
  3. Step 3: Cross multiply
    39,420,203.66x = 59,130,305.48 × 12,493,859.66
  4. Step 4: Simplify right side
    39,420,203.66x = 738,765,738,320,048.88
  5. Step 5: Solve for x
    x = 738,765,738,320,048.88/39,420,203.66
  6. Step 6: Final answer
    x = 18,740,789.49

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Double scale
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Similar ratio
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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.