Home / 7,997,999.90-11,987,668.65-3,203,318.30

Finding the Fourth Proportional to 7,997,999.90, 11,987,668.65 and 3,203,318.30

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Solution

The fourth proportional to 7,997,999.90, 11,987,668.65 and 3,203,318.30 is: 4,801,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997,999.90 : 11,987,668.65 = 3,203,318.30 : x
  2. Step 2: Convert to fraction form
    7,997,999.90/11,987,668.65 = 3,203,318.30/x
  3. Step 3: Cross multiply
    7,997,999.90x = 11,987,668.65 × 3,203,318.30
  4. Step 4: Simplify right side
    7,997,999.90x = 38,400,318,360,881.30
  5. Step 5: Solve for x
    x = 38,400,318,360,881.30/7,997,999.90
  6. Step 6: Final answer
    x = 4,801,240.17

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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.