Home / 18,372,216.40-27,558,324.60-12,632,653.60

Finding the Fourth Proportional to 18,372,216.40, 27,558,324.60 and 12,632,653.60

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Solution

The fourth proportional to 18,372,216.40, 27,558,324.60 and 12,632,653.60 is: 18,948,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,216.40 : 27,558,324.60 = 12,632,653.60 : x
  2. Step 2: Convert to fraction form
    18,372,216.40/27,558,324.60 = 12,632,653.60/x
  3. Step 3: Cross multiply
    18,372,216.40x = 27,558,324.60 × 12,632,653.60
  4. Step 4: Simplify right side
    18,372,216.40x = 348,134,768,468,158.56
  5. Step 5: Solve for x
    x = 348,134,768,468,158.56/18,372,216.40
  6. Step 6: Final answer
    x = 18,948,980.40

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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.