Home / 13,305,905.90-19,958,858.85-4,786,520.30

Finding the Fourth Proportional to 13,305,905.90, 19,958,858.85 and 4,786,520.30

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Solution

The fourth proportional to 13,305,905.90, 19,958,858.85 and 4,786,520.30 is: 7,179,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,905.90 : 19,958,858.85 = 4,786,520.30 : x
  2. Step 2: Convert to fraction form
    13,305,905.90/19,958,858.85 = 4,786,520.30/x
  3. Step 3: Cross multiply
    13,305,905.90x = 19,958,858.85 × 4,786,520.30
  4. Step 4: Simplify right side
    13,305,905.90x = 95,533,483,050,359.66
  5. Step 5: Solve for x
    x = 95,533,483,050,359.66/13,305,905.90
  6. Step 6: Final answer
    x = 7,179,780.45

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Similar ratio
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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.