Home / 21,907,772.16-30,230,399.44-12,116,660.64

Finding the Fourth Proportional to 21,907,772.16, 30,230,399.44 and 12,116,660.64

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Solution

The fourth proportional to 21,907,772.16, 30,230,399.44 and 12,116,660.64 is: 16,719,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907,772.16 : 30,230,399.44 = 12,116,660.64 : x
  2. Step 2: Convert to fraction form
    21,907,772.16/30,230,399.44 = 12,116,660.64/x
  3. Step 3: Cross multiply
    21,907,772.16x = 30,230,399.44 × 12,116,660.64
  4. Step 4: Simplify right side
    21,907,772.16x = 366,291,491,026,126.06
  5. Step 5: Solve for x
    x = 366,291,491,026,126.06/21,907,772.16
  6. Step 6: Final answer
    x = 16,719,705.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.