Home / 20,883,522.41-31,356,033.93-11,679,527.61

Finding the Fourth Proportional to 20,883,522.41, 31,356,033.93 and 11,679,527.61

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Solution

The fourth proportional to 20,883,522.41, 31,356,033.93 and 11,679,527.61 is: 17,536,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,522.41 : 31,356,033.93 = 11,679,527.61 : x
  2. Step 2: Convert to fraction form
    20,883,522.41/31,356,033.93 = 11,679,527.61/x
  3. Step 3: Cross multiply
    20,883,522.41x = 31,356,033.93 × 11,679,527.61
  4. Step 4: Simplify right side
    20,883,522.41x = 366,223,664,025,531.81
  5. Step 5: Solve for x
    x = 366,223,664,025,531.81/20,883,522.41
  6. Step 6: Final answer
    x = 17,536,489.15

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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.