Home / 7,725,721.60-11,592,729.60-3,238,451.20

Finding the Fourth Proportional to 7,725,721.60, 11,592,729.60 and 3,238,451.20

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Solution

The fourth proportional to 7,725,721.60, 11,592,729.60 and 3,238,451.20 is: 4,859,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725,721.60 : 11,592,729.60 = 3,238,451.20 : x
  2. Step 2: Convert to fraction form
    7,725,721.60/11,592,729.60 = 3,238,451.20/x
  3. Step 3: Cross multiply
    7,725,721.60x = 11,592,729.60 × 3,238,451.20
  4. Step 4: Simplify right side
    7,725,721.60x = 37,542,489,084,395.52
  5. Step 5: Solve for x
    x = 37,542,489,084,395.52/7,725,721.60
  6. Step 6: Final answer
    x = 4,859,415.21

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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.