Home / 18,648,002.60-27,972,003.90-5,184,830.60

Finding the Fourth Proportional to 18,648,002.60, 27,972,003.90 and 5,184,830.60

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Solution

The fourth proportional to 18,648,002.60, 27,972,003.90 and 5,184,830.60 is: 7,777,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648,002.60 : 27,972,003.90 = 5,184,830.60 : x
  2. Step 2: Convert to fraction form
    18,648,002.60/27,972,003.90 = 5,184,830.60/x
  3. Step 3: Cross multiply
    18,648,002.60x = 27,972,003.90 × 5,184,830.60
  4. Step 4: Simplify right side
    18,648,002.60x = 145,030,101,764,039.31
  5. Step 5: Solve for x
    x = 145,030,101,764,039.31/18,648,002.60
  6. Step 6: Final answer
    x = 7,777,245.90

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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.