Home / 8,478,871.22-12,716,396.35-2,413,468.51

Finding the Fourth Proportional to 8,478,871.22, 12,716,396.35 and 2,413,468.51

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Solution

The fourth proportional to 8,478,871.22, 12,716,396.35 and 2,413,468.51 is: 3,619,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,871.22 : 12,716,396.35 = 2,413,468.51 : x
  2. Step 2: Convert to fraction form
    8,478,871.22/12,716,396.35 = 2,413,468.51/x
  3. Step 3: Cross multiply
    8,478,871.22x = 12,716,396.35 × 2,413,468.51
  4. Step 4: Simplify right side
    8,478,871.22x = 30,690,622,113,579.27
  5. Step 5: Solve for x
    x = 30,690,622,113,579.27/8,478,871.22
  6. Step 6: Final answer
    x = 3,619,658.95

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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.