Home / 12,123,425.52-18,188,550-5,300,597.88

Finding the Fourth Proportional to 12,123,425.52, 18,188,550 and 5,300,597.88

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Solution

The fourth proportional to 12,123,425.52, 18,188,550 and 5,300,597.88 is: 7,952,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,425.52 : 18,188,550 = 5,300,597.88 : x
  2. Step 2: Convert to fraction form
    12,123,425.52/18,188,550 = 5,300,597.88/x
  3. Step 3: Cross multiply
    12,123,425.52x = 18,188,550 × 5,300,597.88
  4. Step 4: Simplify right side
    12,123,425.52x = 96,410,189,570,274
  5. Step 5: Solve for x
    x = 96,410,189,570,274/12,123,425.52
  6. Step 6: Final answer
    x = 7,952,388.49

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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.