Home / 12,471,023.20-18,702,646.80-4,900,309.60

Finding the Fourth Proportional to 12,471,023.20, 18,702,646.80 and 4,900,309.60

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Solution

The fourth proportional to 12,471,023.20, 18,702,646.80 and 4,900,309.60 is: 7,348,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,023.20 : 18,702,646.80 = 4,900,309.60 : x
  2. Step 2: Convert to fraction form
    12,471,023.20/18,702,646.80 = 4,900,309.60/x
  3. Step 3: Cross multiply
    12,471,023.20x = 18,702,646.80 × 4,900,309.60
  4. Step 4: Simplify right side
    12,471,023.20x = 91,648,759,659,449.28
  5. Step 5: Solve for x
    x = 91,648,759,659,449.28/12,471,023.20
  6. Step 6: Final answer
    x = 7,348,936.67

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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.