Home / 12,470,255.76-18,691,392.24-8,160,597.84

Finding the Fourth Proportional to 12,470,255.76, 18,691,392.24 and 8,160,597.84

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Solution

The fourth proportional to 12,470,255.76, 18,691,392.24 and 8,160,597.84 is: 12,231,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,255.76 : 18,691,392.24 = 8,160,597.84 : x
  2. Step 2: Convert to fraction form
    12,470,255.76/18,691,392.24 = 8,160,597.84/x
  3. Step 3: Cross multiply
    12,470,255.76x = 18,691,392.24 × 8,160,597.84
  4. Step 4: Simplify right side
    12,470,255.76x = 152,532,935,140,336.75
  5. Step 5: Solve for x
    x = 152,532,935,140,336.75/12,470,255.76
  6. Step 6: Final answer
    x = 12,231,740.72

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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.