Home / 9,381,812.09-12,940,226.38-8,609,935.50

Finding the Fourth Proportional to 9,381,812.09, 12,940,226.38 and 8,609,935.50

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Solution

The fourth proportional to 9,381,812.09, 12,940,226.38 and 8,609,935.50 is: 11,875,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381,812.09 : 12,940,226.38 = 8,609,935.50 : x
  2. Step 2: Convert to fraction form
    9,381,812.09/12,940,226.38 = 8,609,935.50/x
  3. Step 3: Cross multiply
    9,381,812.09x = 12,940,226.38 × 8,609,935.50
  4. Step 4: Simplify right side
    9,381,812.09x = 111,414,514,487,198.50
  5. Step 5: Solve for x
    x = 111,414,514,487,198.50/9,381,812.09
  6. Step 6: Final answer
    x = 11,875,585.81

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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.