Home / 20,112,147.60-30,183,967.80-9,330,784.35

Finding the Fourth Proportional to 20,112,147.60, 30,183,967.80 and 9,330,784.35

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Solution

The fourth proportional to 20,112,147.60, 30,183,967.80 and 9,330,784.35 is: 14,003,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,147.60 : 30,183,967.80 = 9,330,784.35 : x
  2. Step 2: Convert to fraction form
    20,112,147.60/30,183,967.80 = 9,330,784.35/x
  3. Step 3: Cross multiply
    20,112,147.60x = 30,183,967.80 × 9,330,784.35
  4. Step 4: Simplify right side
    20,112,147.60x = 281,640,094,369,143.94
  5. Step 5: Solve for x
    x = 281,640,094,369,143.94/20,112,147.60
  6. Step 6: Final answer
    x = 14,003,481.87

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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.