Home / 22,157,474.12-30,582,416.08-12,993,069.32

Finding the Fourth Proportional to 22,157,474.12, 30,582,416.08 and 12,993,069.32

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Solution

The fourth proportional to 22,157,474.12, 30,582,416.08 and 12,993,069.32 is: 17,933,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,474.12 : 30,582,416.08 = 12,993,069.32 : x
  2. Step 2: Convert to fraction form
    22,157,474.12/30,582,416.08 = 12,993,069.32/x
  3. Step 3: Cross multiply
    22,157,474.12x = 30,582,416.08 × 12,993,069.32
  4. Step 4: Simplify right side
    22,157,474.12x = 397,359,452,100,522.62
  5. Step 5: Solve for x
    x = 397,359,452,100,522.62/22,157,474.12
  6. Step 6: Final answer
    x = 17,933,427.34

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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.