Home / 20,616,923.52-30,925,467.90-6,970,142.34

Finding the Fourth Proportional to 20,616,923.52, 30,925,467.90 and 6,970,142.34

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Solution

The fourth proportional to 20,616,923.52, 30,925,467.90 and 6,970,142.34 is: 10,455,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616,923.52 : 30,925,467.90 = 6,970,142.34 : x
  2. Step 2: Convert to fraction form
    20,616,923.52/30,925,467.90 = 6,970,142.34/x
  3. Step 3: Cross multiply
    20,616,923.52x = 30,925,467.90 × 6,970,142.34
  4. Step 4: Simplify right side
    20,616,923.52x = 215,554,913,194,100.88
  5. Step 5: Solve for x
    x = 215,554,913,194,100.88/20,616,923.52
  6. Step 6: Final answer
    x = 10,455,241.44

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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.