Home / 8,277,173.32-12,417,628.24-2,520,421.60

Finding the Fourth Proportional to 8,277,173.32, 12,417,628.24 and 2,520,421.60

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Solution

The fourth proportional to 8,277,173.32, 12,417,628.24 and 2,520,421.60 is: 3,781,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277,173.32 : 12,417,628.24 = 2,520,421.60 : x
  2. Step 2: Convert to fraction form
    8,277,173.32/12,417,628.24 = 2,520,421.60/x
  3. Step 3: Cross multiply
    8,277,173.32x = 12,417,628.24 × 2,520,421.60
  4. Step 4: Simplify right side
    8,277,173.32x = 31,297,658,436,865.98
  5. Step 5: Solve for x
    x = 31,297,658,436,865.98/8,277,173.32
  6. Step 6: Final answer
    x = 3,781,201.29

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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.