Home / 14,126,890.80-21,190,336.20-3,489,322.80

Finding the Fourth Proportional to 14,126,890.80, 21,190,336.20 and 3,489,322.80

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Solution

The fourth proportional to 14,126,890.80, 21,190,336.20 and 3,489,322.80 is: 5,233,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126,890.80 : 21,190,336.20 = 3,489,322.80 : x
  2. Step 2: Convert to fraction form
    14,126,890.80/21,190,336.20 = 3,489,322.80/x
  3. Step 3: Cross multiply
    14,126,890.80x = 21,190,336.20 × 3,489,322.80
  4. Step 4: Simplify right side
    14,126,890.80x = 73,939,923,242,325.36
  5. Step 5: Solve for x
    x = 73,939,923,242,325.36/14,126,890.80
  6. Step 6: Final answer
    x = 5,233,984.20

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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.