Home / 12,141,202.96-18,220,784.12-5,751,469.36

Finding the Fourth Proportional to 12,141,202.96, 18,220,784.12 and 5,751,469.36

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Solution

The fourth proportional to 12,141,202.96, 18,220,784.12 and 5,751,469.36 is: 8,631,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,202.96 : 18,220,784.12 = 5,751,469.36 : x
  2. Step 2: Convert to fraction form
    12,141,202.96/18,220,784.12 = 5,751,469.36/x
  3. Step 3: Cross multiply
    12,141,202.96x = 18,220,784.12 × 5,751,469.36
  4. Step 4: Simplify right side
    12,141,202.96x = 104,796,281,581,354.58
  5. Step 5: Solve for x
    x = 104,796,281,581,354.58/12,141,202.96
  6. Step 6: Final answer
    x = 8,631,457.85

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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.