Home / 22,157,215.44-30,582,059.15-12,992,810.64

Finding the Fourth Proportional to 22,157,215.44, 30,582,059.15 and 12,992,810.64

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Solution

The fourth proportional to 22,157,215.44, 30,582,059.15 and 12,992,810.64 is: 17,933,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,215.44 : 30,582,059.15 = 12,992,810.64 : x
  2. Step 2: Convert to fraction form
    22,157,215.44/30,582,059.15 = 12,992,810.64/x
  3. Step 3: Cross multiply
    22,157,215.44x = 30,582,059.15 × 12,992,810.64
  4. Step 4: Simplify right side
    22,157,215.44x = 397,346,903,435,028.69
  5. Step 5: Solve for x
    x = 397,346,903,435,028.69/22,157,215.44
  6. Step 6: Final answer
    x = 17,933,070.36

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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.