Home / 8,381,278.52-12,565,137.40-2,621,048.57

Finding the Fourth Proportional to 8,381,278.52, 12,565,137.40 and 2,621,048.57

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Solution

The fourth proportional to 8,381,278.52, 12,565,137.40 and 2,621,048.57 is: 3,929,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,278.52 : 12,565,137.40 = 2,621,048.57 : x
  2. Step 2: Convert to fraction form
    8,381,278.52/12,565,137.40 = 2,621,048.57/x
  3. Step 3: Cross multiply
    8,381,278.52x = 12,565,137.40 × 2,621,048.57
  4. Step 4: Simplify right side
    8,381,278.52x = 32,933,835,477,286.77
  5. Step 5: Solve for x
    x = 32,933,835,477,286.77/8,381,278.52
  6. Step 6: Final answer
    x = 3,929,452.46

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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.