Home / 9,145,752.12-12,620,228.22-5,279,518.85

Finding the Fourth Proportional to 9,145,752.12, 12,620,228.22 and 5,279,518.85

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Solution

The fourth proportional to 9,145,752.12, 12,620,228.22 and 5,279,518.85 is: 7,285,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,752.12 : 12,620,228.22 = 5,279,518.85 : x
  2. Step 2: Convert to fraction form
    9,145,752.12/12,620,228.22 = 5,279,518.85/x
  3. Step 3: Cross multiply
    9,145,752.12x = 12,620,228.22 × 5,279,518.85
  4. Step 4: Simplify right side
    9,145,752.12x = 66,628,732,715,690.80
  5. Step 5: Solve for x
    x = 66,628,732,715,690.80/9,145,752.12
  6. Step 6: Final answer
    x = 7,285,210.87

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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.