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Finding the Fourth Proportional to 14,360,814.80, 21,551,719.80 and 10,109,286.80

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Solution

The fourth proportional to 14,360,814.80, 21,551,719.80 and 10,109,286.80 is: 15,171,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360,814.80 : 21,551,719.80 = 10,109,286.80 : x
  2. Step 2: Convert to fraction form
    14,360,814.80/21,551,719.80 = 10,109,286.80/x
  3. Step 3: Cross multiply
    14,360,814.80x = 21,551,719.80 × 10,109,286.80
  4. Step 4: Simplify right side
    14,360,814.80x = 217,872,516,491,438.66
  5. Step 5: Solve for x
    x = 217,872,516,491,438.66/14,360,814.80
  6. Step 6: Final answer
    x = 15,171,319.98

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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.