Home / 12,571,877.70-18,857,816.55-4,485,117.15

Finding the Fourth Proportional to 12,571,877.70, 18,857,816.55 and 4,485,117.15

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Solution

The fourth proportional to 12,571,877.70, 18,857,816.55 and 4,485,117.15 is: 6,727,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,877.70 : 18,857,816.55 = 4,485,117.15 : x
  2. Step 2: Convert to fraction form
    12,571,877.70/18,857,816.55 = 4,485,117.15/x
  3. Step 3: Cross multiply
    12,571,877.70x = 18,857,816.55 × 4,485,117.15
  4. Step 4: Simplify right side
    12,571,877.70x = 84,579,516,419,958.84
  5. Step 5: Solve for x
    x = 84,579,516,419,958.84/12,571,877.70
  6. Step 6: Final answer
    x = 6,727,675.73

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Similar ratio
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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.