Home / 21,322,980.88-31,984,445.38-6,946,025.20

Finding the Fourth Proportional to 21,322,980.88, 31,984,445.38 and 6,946,025.20

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Solution

The fourth proportional to 21,322,980.88, 31,984,445.38 and 6,946,025.20 is: 10,419,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322,980.88 : 31,984,445.38 = 6,946,025.20 : x
  2. Step 2: Convert to fraction form
    21,322,980.88/31,984,445.38 = 6,946,025.20/x
  3. Step 3: Cross multiply
    21,322,980.88x = 31,984,445.38 × 6,946,025.20
  4. Step 4: Simplify right side
    21,322,980.88x = 222,164,763,617,503.56
  5. Step 5: Solve for x
    x = 222,164,763,617,503.56/21,322,980.88
  6. Step 6: Final answer
    x = 10,419,029.35

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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.