Home / 13,772,962.40-20,660,221.20-4,188,653.60

Finding the Fourth Proportional to 13,772,962.40, 20,660,221.20 and 4,188,653.60

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Solution

The fourth proportional to 13,772,962.40, 20,660,221.20 and 4,188,653.60 is: 6,283,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,962.40 : 20,660,221.20 = 4,188,653.60 : x
  2. Step 2: Convert to fraction form
    13,772,962.40/20,660,221.20 = 4,188,653.60/x
  3. Step 3: Cross multiply
    13,772,962.40x = 20,660,221.20 × 4,188,653.60
  4. Step 4: Simplify right side
    13,772,962.40x = 86,538,509,906,176.31
  5. Step 5: Solve for x
    x = 86,538,509,906,176.31/13,772,962.40
  6. Step 6: Final answer
    x = 6,283,216.88

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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.