Home / 13,286,097.60-19,938,477.60-8,505,412.80

Finding the Fourth Proportional to 13,286,097.60, 19,938,477.60 and 8,505,412.80

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Solution

The fourth proportional to 13,286,097.60, 19,938,477.60 and 8,505,412.80 is: 12,764,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,097.60 : 19,938,477.60 = 8,505,412.80 : x
  2. Step 2: Convert to fraction form
    13,286,097.60/19,938,477.60 = 8,505,412.80/x
  3. Step 3: Cross multiply
    13,286,097.60x = 19,938,477.60 × 8,505,412.80
  4. Step 4: Simplify right side
    13,286,097.60x = 169,584,982,591,553.31
  5. Step 5: Solve for x
    x = 169,584,982,591,553.31/13,286,097.60
  6. Step 6: Final answer
    x = 12,764,092.79

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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.