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Finding the Fourth Proportional to 7,798,324.14, 11,700,256.41 and 3,479,981.47

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Solution

The fourth proportional to 7,798,324.14, 11,700,256.41 and 3,479,981.47 is: 5,221,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798,324.14 : 11,700,256.41 = 3,479,981.47 : x
  2. Step 2: Convert to fraction form
    7,798,324.14/11,700,256.41 = 3,479,981.47/x
  3. Step 3: Cross multiply
    7,798,324.14x = 11,700,256.41 × 3,479,981.47
  4. Step 4: Simplify right side
    7,798,324.14x = 40,716,675,471,798.08
  5. Step 5: Solve for x
    x = 40,716,675,471,798.08/7,798,324.14
  6. Step 6: Final answer
    x = 5,221,208.40

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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.