Home / 18,365,928.30-27,548,892.45-8,288,232.30

Finding the Fourth Proportional to 18,365,928.30, 27,548,892.45 and 8,288,232.30

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Solution

The fourth proportional to 18,365,928.30, 27,548,892.45 and 8,288,232.30 is: 12,432,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,928.30 : 27,548,892.45 = 8,288,232.30 : x
  2. Step 2: Convert to fraction form
    18,365,928.30/27,548,892.45 = 8,288,232.30/x
  3. Step 3: Cross multiply
    18,365,928.30x = 27,548,892.45 × 8,288,232.30
  4. Step 4: Simplify right side
    18,365,928.30x = 228,331,620,233,316.12
  5. Step 5: Solve for x
    x = 228,331,620,233,316.12/18,365,928.30
  6. Step 6: Final answer
    x = 12,432,348.45

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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.