Home / 12,522,729.60-18,762,321.60-5,777,308.80

Finding the Fourth Proportional to 12,522,729.60, 18,762,321.60 and 5,777,308.80

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Solution

The fourth proportional to 12,522,729.60, 18,762,321.60 and 5,777,308.80 is: 8,655,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,729.60 : 18,762,321.60 = 5,777,308.80 : x
  2. Step 2: Convert to fraction form
    12,522,729.60/18,762,321.60 = 5,777,308.80/x
  3. Step 3: Cross multiply
    12,522,729.60x = 18,762,321.60 × 5,777,308.80
  4. Step 4: Simplify right side
    12,522,729.60x = 108,395,725,688,110.08
  5. Step 5: Solve for x
    x = 108,395,725,688,110.08/12,522,729.60
  6. Step 6: Final answer
    x = 8,655,918.41

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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.