Home / 7,480,221.78-11,220,668.73-2,292,451.23

Finding the Fourth Proportional to 7,480,221.78, 11,220,668.73 and 2,292,451.23

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Solution

The fourth proportional to 7,480,221.78, 11,220,668.73 and 2,292,451.23 is: 3,438,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,221.78 : 11,220,668.73 = 2,292,451.23 : x
  2. Step 2: Convert to fraction form
    7,480,221.78/11,220,668.73 = 2,292,451.23/x
  3. Step 3: Cross multiply
    7,480,221.78x = 11,220,668.73 × 2,292,451.23
  4. Step 4: Simplify right side
    7,480,221.78x = 25,722,835,831,511.04
  5. Step 5: Solve for x
    x = 25,722,835,831,511.04/7,480,221.78
  6. Step 6: Final answer
    x = 3,438,779.84

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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.