Home / 8,509,123.50-12,756,525.93-3,957,859.86

Finding the Fourth Proportional to 8,509,123.50, 12,756,525.93 and 3,957,859.86

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Solution

The fourth proportional to 8,509,123.50, 12,756,525.93 and 3,957,859.86 is: 5,933,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509,123.50 : 12,756,525.93 = 3,957,859.86 : x
  2. Step 2: Convert to fraction form
    8,509,123.50/12,756,525.93 = 3,957,859.86/x
  3. Step 3: Cross multiply
    8,509,123.50x = 12,756,525.93 × 3,957,859.86
  4. Step 4: Simplify right side
    8,509,123.50x = 50,488,541,931,396.16
  5. Step 5: Solve for x
    x = 50,488,541,931,396.16/8,509,123.50
  6. Step 6: Final answer
    x = 5,933,459.77

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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.