Home / 12,745,160.62-19,117,759.21-9,729,647.92

Finding the Fourth Proportional to 12,745,160.62, 19,117,759.21 and 9,729,647.92

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Solution

The fourth proportional to 12,745,160.62, 19,117,759.21 and 9,729,647.92 is: 14,594,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,160.62 : 19,117,759.21 = 9,729,647.92 : x
  2. Step 2: Convert to fraction form
    12,745,160.62/19,117,759.21 = 9,729,647.92/x
  3. Step 3: Cross multiply
    12,745,160.62x = 19,117,759.21 × 9,729,647.92
  4. Step 4: Simplify right side
    12,745,160.62x = 186,009,066,012,724.41
  5. Step 5: Solve for x
    x = 186,009,066,012,724.41/12,745,160.62
  6. Step 6: Final answer
    x = 14,594,485.83

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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.