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Finding the Fourth Proportional to 13,716,638.10, 19,178,099.10 and 13,716,638.10

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Solution

The fourth proportional to 13,716,638.10, 19,178,099.10 and 13,716,638.10 is: 19,178,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716,638.10 : 19,178,099.10 = 13,716,638.10 : x
  2. Step 2: Convert to fraction form
    13,716,638.10/19,178,099.10 = 13,716,638.10/x
  3. Step 3: Cross multiply
    13,716,638.10x = 19,178,099.10 × 13,716,638.10
  4. Step 4: Simplify right side
    13,716,638.10x = 263,059,044,800,635.72
  5. Step 5: Solve for x
    x = 263,059,044,800,635.72/13,716,638.10
  6. Step 6: Final answer
    x = 19,178,099.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.