Home / 9,341,751.67-12,891,625.34-5,211,783.61

Finding the Fourth Proportional to 9,341,751.67, 12,891,625.34 and 5,211,783.61

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Solution

The fourth proportional to 9,341,751.67, 12,891,625.34 and 5,211,783.61 is: 7,192,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,751.67 : 12,891,625.34 = 5,211,783.61 : x
  2. Step 2: Convert to fraction form
    9,341,751.67/12,891,625.34 = 5,211,783.61/x
  3. Step 3: Cross multiply
    9,341,751.67x = 12,891,625.34 × 5,211,783.61
  4. Step 4: Simplify right side
    9,341,751.67x = 67,188,361,594,984.70
  5. Step 5: Solve for x
    x = 67,188,361,594,984.70/9,341,751.67
  6. Step 6: Final answer
    x = 7,192,265.86

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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.