Home / 20,084,122.92-30,130,193.34-10,503,814.44

Finding the Fourth Proportional to 20,084,122.92, 30,130,193.34 and 10,503,814.44

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Solution

The fourth proportional to 20,084,122.92, 30,130,193.34 and 10,503,814.44 is: 15,757,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084,122.92 : 30,130,193.34 = 10,503,814.44 : x
  2. Step 2: Convert to fraction form
    20,084,122.92/30,130,193.34 = 10,503,814.44/x
  3. Step 3: Cross multiply
    20,084,122.92x = 30,130,193.34 × 10,503,814.44
  4. Step 4: Simplify right side
    20,084,122.92x = 316,481,959,884,683.81
  5. Step 5: Solve for x
    x = 316,481,959,884,683.81/20,084,122.92
  6. Step 6: Final answer
    x = 15,757,818.31

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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.