Home / 9,000,369.50-12,420,414.87-4,870,310.18

Finding the Fourth Proportional to 9,000,369.50, 12,420,414.87 and 4,870,310.18

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Solution

The fourth proportional to 9,000,369.50, 12,420,414.87 and 4,870,310.18 is: 6,720,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,369.50 : 12,420,414.87 = 4,870,310.18 : x
  2. Step 2: Convert to fraction form
    9,000,369.50/12,420,414.87 = 4,870,310.18/x
  3. Step 3: Cross multiply
    9,000,369.50x = 12,420,414.87 × 4,870,310.18
  4. Step 4: Simplify right side
    9,000,369.50x = 60,491,272,981,184.37
  5. Step 5: Solve for x
    x = 60,491,272,981,184.37/9,000,369.50
  6. Step 6: Final answer
    x = 6,720,976.62

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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.