Home / 12,770,468.83-19,139,069.08-5,188,570.75

Finding the Fourth Proportional to 12,770,468.83, 19,139,069.08 and 5,188,570.75

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Solution

The fourth proportional to 12,770,468.83, 19,139,069.08 and 5,188,570.75 is: 7,776,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,468.83 : 19,139,069.08 = 5,188,570.75 : x
  2. Step 2: Convert to fraction form
    12,770,468.83/19,139,069.08 = 5,188,570.75/x
  3. Step 3: Cross multiply
    12,770,468.83x = 19,139,069.08 × 5,188,570.75
  4. Step 4: Simplify right side
    12,770,468.83x = 99,304,414,010,717.41
  5. Step 5: Solve for x
    x = 99,304,414,010,717.41/12,770,468.83
  6. Step 6: Final answer
    x = 7,776,097.76

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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.