Home / 18,144,021.60-27,184,539.60-17,010,280.80

Finding the Fourth Proportional to 18,144,021.60, 27,184,539.60 and 17,010,280.80

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Solution

The fourth proportional to 18,144,021.60, 27,184,539.60 and 17,010,280.80 is: 25,485,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,021.60 : 27,184,539.60 = 17,010,280.80 : x
  2. Step 2: Convert to fraction form
    18,144,021.60/27,184,539.60 = 17,010,280.80/x
  3. Step 3: Cross multiply
    18,144,021.60x = 27,184,539.60 × 17,010,280.80
  4. Step 4: Simplify right side
    18,144,021.60x = 462,416,652,014,719.75
  5. Step 5: Solve for x
    x = 462,416,652,014,719.75/18,144,021.60
  6. Step 6: Final answer
    x = 25,485,896.25

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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.