Home / 8,210,649.40-12,297,311.70-4,216,895.80

Finding the Fourth Proportional to 8,210,649.40, 12,297,311.70 and 4,216,895.80

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Solution

The fourth proportional to 8,210,649.40, 12,297,311.70 and 4,216,895.80 is: 6,315,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,649.40 : 12,297,311.70 = 4,216,895.80 : x
  2. Step 2: Convert to fraction form
    8,210,649.40/12,297,311.70 = 4,216,895.80/x
  3. Step 3: Cross multiply
    8,210,649.40x = 12,297,311.70 × 4,216,895.80
  4. Step 4: Simplify right side
    8,210,649.40x = 51,856,482,059,020.85
  5. Step 5: Solve for x
    x = 51,856,482,059,020.85/8,210,649.40
  6. Step 6: Final answer
    x = 6,315,758.90

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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.