Home / 16,128,218.40-24,192,327.60-12,146,906.40

Finding the Fourth Proportional to 16,128,218.40, 24,192,327.60 and 12,146,906.40

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Solution

The fourth proportional to 16,128,218.40, 24,192,327.60 and 12,146,906.40 is: 18,220,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,218.40 : 24,192,327.60 = 12,146,906.40 : x
  2. Step 2: Convert to fraction form
    16,128,218.40/24,192,327.60 = 12,146,906.40/x
  3. Step 3: Cross multiply
    16,128,218.40x = 24,192,327.60 × 12,146,906.40
  4. Step 4: Simplify right side
    16,128,218.40x = 293,861,938,955,336.69
  5. Step 5: Solve for x
    x = 293,861,938,955,336.69/16,128,218.40
  6. Step 6: Final answer
    x = 18,220,359.60

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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.