Home / 8,442,660.60-12,673,322.10-5,251,390.20

Finding the Fourth Proportional to 8,442,660.60, 12,673,322.10 and 5,251,390.20

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Solution

The fourth proportional to 8,442,660.60, 12,673,322.10 and 5,251,390.20 is: 7,882,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,660.60 : 12,673,322.10 = 5,251,390.20 : x
  2. Step 2: Convert to fraction form
    8,442,660.60/12,673,322.10 = 5,251,390.20/x
  3. Step 3: Cross multiply
    8,442,660.60x = 12,673,322.10 × 5,251,390.20
  4. Step 4: Simplify right side
    8,442,660.60x = 66,552,559,477,383.42
  5. Step 5: Solve for x
    x = 66,552,559,477,383.42/8,442,660.60
  6. Step 6: Final answer
    x = 7,882,889.37

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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.