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Finding the Fourth Proportional to 14,462,406.46, 19,958,065.68 and 7,936,145.02

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Solution

The fourth proportional to 14,462,406.46, 19,958,065.68 and 7,936,145.02 is: 10,951,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462,406.46 : 19,958,065.68 = 7,936,145.02 : x
  2. Step 2: Convert to fraction form
    14,462,406.46/19,958,065.68 = 7,936,145.02/x
  3. Step 3: Cross multiply
    14,462,406.46x = 19,958,065.68 × 7,936,145.02
  4. Step 4: Simplify right side
    14,462,406.46x = 158,390,103,555,164.91
  5. Step 5: Solve for x
    x = 158,390,103,555,164.91/14,462,406.46
  6. Step 6: Final answer
    x = 10,951,849.82

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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.