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Finding the Fourth Proportional to 10,993,210.40, 16,464,932.40 and 6,514,234.40

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Solution

The fourth proportional to 10,993,210.40, 16,464,932.40 and 6,514,234.40 is: 9,756,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,210.40 : 16,464,932.40 = 6,514,234.40 : x
  2. Step 2: Convert to fraction form
    10,993,210.40/16,464,932.40 = 6,514,234.40/x
  3. Step 3: Cross multiply
    10,993,210.40x = 16,464,932.40 × 6,514,234.40
  4. Step 4: Simplify right side
    10,993,210.40x = 107,256,429,033,754.56
  5. Step 5: Solve for x
    x = 107,256,429,033,754.56/10,993,210.40
  6. Step 6: Final answer
    x = 9,756,606.59

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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.