Home / 12,148,449.60-18,201,679.20-5,744,913.60

Finding the Fourth Proportional to 12,148,449.60, 18,201,679.20 and 5,744,913.60

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Solution

The fourth proportional to 12,148,449.60, 18,201,679.20 and 5,744,913.60 is: 8,607,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,449.60 : 18,201,679.20 = 5,744,913.60 : x
  2. Step 2: Convert to fraction form
    12,148,449.60/18,201,679.20 = 5,744,913.60/x
  3. Step 3: Cross multiply
    12,148,449.60x = 18,201,679.20 × 5,744,913.60
  4. Step 4: Simplify right side
    12,148,449.60x = 104,567,074,378,917.11
  5. Step 5: Solve for x
    x = 104,567,074,378,917.11/12,148,449.60
  6. Step 6: Final answer
    x = 8,607,441.92

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1.5x scale

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.