Home / 13,247,760.76-19,863,503.16-5,151,298.84

Finding the Fourth Proportional to 13,247,760.76, 19,863,503.16 and 5,151,298.84

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Solution

The fourth proportional to 13,247,760.76, 19,863,503.16 and 5,151,298.84 is: 7,723,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,760.76 : 19,863,503.16 = 5,151,298.84 : x
  2. Step 2: Convert to fraction form
    13,247,760.76/19,863,503.16 = 5,151,298.84/x
  3. Step 3: Cross multiply
    13,247,760.76x = 19,863,503.16 × 5,151,298.84
  4. Step 4: Simplify right side
    13,247,760.76x = 102,322,840,786,444.33
  5. Step 5: Solve for x
    x = 102,322,840,786,444.33/13,247,760.76
  6. Step 6: Final answer
    x = 7,723,783.86

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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.