Home / 20,203,753.60-27,824,499.84-18,907,008.40

Finding the Fourth Proportional to 20,203,753.60, 27,824,499.84 and 18,907,008.40

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Solution

The fourth proportional to 20,203,753.60, 27,824,499.84 and 18,907,008.40 is: 26,038,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,753.60 : 27,824,499.84 = 18,907,008.40 : x
  2. Step 2: Convert to fraction form
    20,203,753.60/27,824,499.84 = 18,907,008.40/x
  3. Step 3: Cross multiply
    20,203,753.60x = 27,824,499.84 × 18,907,008.40
  4. Step 4: Simplify right side
    20,203,753.60x = 526,078,052,200,678.62
  5. Step 5: Solve for x
    x = 526,078,052,200,678.62/20,203,753.60
  6. Step 6: Final answer
    x = 26,038,629.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.