Home / 13,724,722.60-20,573,087.10-8,042,021.80

Finding the Fourth Proportional to 13,724,722.60, 20,573,087.10 and 8,042,021.80

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Solution

The fourth proportional to 13,724,722.60, 20,573,087.10 and 8,042,021.80 is: 12,054,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724,722.60 : 20,573,087.10 = 8,042,021.80 : x
  2. Step 2: Convert to fraction form
    13,724,722.60/20,573,087.10 = 8,042,021.80/x
  3. Step 3: Cross multiply
    13,724,722.60x = 20,573,087.10 × 8,042,021.80
  4. Step 4: Simplify right side
    13,724,722.60x = 165,449,214,951,498.78
  5. Step 5: Solve for x
    x = 165,449,214,951,498.78/13,724,722.60
  6. Step 6: Final answer
    x = 12,054,831.25

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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.