Home / 8,122,590-11,208,920.36-4,451,439.80

Finding the Fourth Proportional to 8,122,590, 11,208,920.36 and 4,451,439.80

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Solution

The fourth proportional to 8,122,590, 11,208,920.36 and 4,451,439.80 is: 6,142,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,590 : 11,208,920.36 = 4,451,439.80 : x
  2. Step 2: Convert to fraction form
    8,122,590/11,208,920.36 = 4,451,439.80/x
  3. Step 3: Cross multiply
    8,122,590x = 11,208,920.36 × 4,451,439.80
  4. Step 4: Simplify right side
    8,122,590x = 49,895,834,205,534.32
  5. Step 5: Solve for x
    x = 49,895,834,205,534.32/8,122,590
  6. Step 6: Final answer
    x = 6,142,847.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.