Home / 12,631,818.30-18,947,727.45-12,277,524.30

Finding the Fourth Proportional to 12,631,818.30, 18,947,727.45 and 12,277,524.30

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Solution

The fourth proportional to 12,631,818.30, 18,947,727.45 and 12,277,524.30 is: 18,416,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,818.30 : 18,947,727.45 = 12,277,524.30 : x
  2. Step 2: Convert to fraction form
    12,631,818.30/18,947,727.45 = 12,277,524.30/x
  3. Step 3: Cross multiply
    12,631,818.30x = 18,947,727.45 × 12,277,524.30
  4. Step 4: Simplify right side
    12,631,818.30x = 232,631,184,197,152.03
  5. Step 5: Solve for x
    x = 232,631,184,197,152.03/12,631,818.30
  6. Step 6: Final answer
    x = 18,416,286.45

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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.