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Finding the Fourth Proportional to 14,462,408.71, 19,958,068.78 and 7,936,147.27

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Solution

The fourth proportional to 14,462,408.71, 19,958,068.78 and 7,936,147.27 is: 10,951,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462,408.71 : 19,958,068.78 = 7,936,147.27 : x
  2. Step 2: Convert to fraction form
    14,462,408.71/19,958,068.78 = 7,936,147.27/x
  3. Step 3: Cross multiply
    14,462,408.71x = 19,958,068.78 × 7,936,147.27
  4. Step 4: Simplify right side
    14,462,408.71x = 158,390,173,062,869.22
  5. Step 5: Solve for x
    x = 158,390,173,062,869.22/14,462,408.71
  6. Step 6: Final answer
    x = 10,951,852.92

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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.