Home / 20,770,772.60-31,159,702-9,260,416.64

Finding the Fourth Proportional to 20,770,772.60, 31,159,702 and 9,260,416.64

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Solution

The fourth proportional to 20,770,772.60, 31,159,702 and 9,260,416.64 is: 13,892,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770,772.60 : 31,159,702 = 9,260,416.64 : x
  2. Step 2: Convert to fraction form
    20,770,772.60/31,159,702 = 9,260,416.64/x
  3. Step 3: Cross multiply
    20,770,772.60x = 31,159,702 × 9,260,416.64
  4. Step 4: Simplify right side
    20,770,772.60x = 288,551,822,898,241.31
  5. Step 5: Solve for x
    x = 288,551,822,898,241.31/20,770,772.60
  6. Step 6: Final answer
    x = 13,892,204.61

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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.