Home / 19,218,976.46-26,522,188.91-10,517,149.50

Finding the Fourth Proportional to 19,218,976.46, 26,522,188.91 and 10,517,149.50

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Solution

The fourth proportional to 19,218,976.46, 26,522,188.91 and 10,517,149.50 is: 14,513,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,976.46 : 26,522,188.91 = 10,517,149.50 : x
  2. Step 2: Convert to fraction form
    19,218,976.46/26,522,188.91 = 10,517,149.50/x
  3. Step 3: Cross multiply
    19,218,976.46x = 26,522,188.91 × 10,517,149.50
  4. Step 4: Simplify right side
    19,218,976.46x = 278,937,825,840,720.50
  5. Step 5: Solve for x
    x = 278,937,825,840,720.50/19,218,976.46
  6. Step 6: Final answer
    x = 14,513,667.07

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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.