Home / 9,311,085.20-12,855,201-6,375,814.16

Finding the Fourth Proportional to 9,311,085.20, 12,855,201 and 6,375,814.16

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Solution

The fourth proportional to 9,311,085.20, 12,855,201 and 6,375,814.16 is: 8,802,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,085.20 : 12,855,201 = 6,375,814.16 : x
  2. Step 2: Convert to fraction form
    9,311,085.20/12,855,201 = 6,375,814.16/x
  3. Step 3: Cross multiply
    9,311,085.20x = 12,855,201 × 6,375,814.16
  4. Step 4: Simplify right side
    9,311,085.20x = 81,962,372,565,446.16
  5. Step 5: Solve for x
    x = 81,962,372,565,446.16/9,311,085.20
  6. Step 6: Final answer
    x = 8,802,665.94

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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.