Home / 16,120,587.80-22,245,823.83-8,778,259.85

Finding the Fourth Proportional to 16,120,587.80, 22,245,823.83 and 8,778,259.85

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Solution

The fourth proportional to 16,120,587.80, 22,245,823.83 and 8,778,259.85 is: 12,113,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,587.80 : 22,245,823.83 = 8,778,259.85 : x
  2. Step 2: Convert to fraction form
    16,120,587.80/22,245,823.83 = 8,778,259.85/x
  3. Step 3: Cross multiply
    16,120,587.80x = 22,245,823.83 × 8,778,259.85
  4. Step 4: Simplify right side
    16,120,587.80x = 195,279,622,078,751.59
  5. Step 5: Solve for x
    x = 195,279,622,078,751.59/16,120,587.80
  6. Step 6: Final answer
    x = 12,113,678.76

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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.