Home / 13,398,189.44-18,489,914.88-7,597,212.80

Finding the Fourth Proportional to 13,398,189.44, 18,489,914.88 and 7,597,212.80

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Solution

The fourth proportional to 13,398,189.44, 18,489,914.88 and 7,597,212.80 is: 10,484,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,189.44 : 18,489,914.88 = 7,597,212.80 : x
  2. Step 2: Convert to fraction form
    13,398,189.44/18,489,914.88 = 7,597,212.80/x
  3. Step 3: Cross multiply
    13,398,189.44x = 18,489,914.88 × 7,597,212.80
  4. Step 4: Simplify right side
    13,398,189.44x = 140,471,817,997,246.45
  5. Step 5: Solve for x
    x = 140,471,817,997,246.45/13,398,189.44
  6. Step 6: Final answer
    x = 10,484,388.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.