Home / 22,157,474.31-30,582,416.39-12,993,069.51

Finding the Fourth Proportional to 22,157,474.31, 30,582,416.39 and 12,993,069.51

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Solution

The fourth proportional to 22,157,474.31, 30,582,416.39 and 12,993,069.51 is: 17,933,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,474.31 : 30,582,416.39 = 12,993,069.51 : x
  2. Step 2: Convert to fraction form
    22,157,474.31/30,582,416.39 = 12,993,069.51/x
  3. Step 3: Cross multiply
    22,157,474.31x = 30,582,416.39 × 12,993,069.51
  4. Step 4: Simplify right side
    22,157,474.31x = 397,359,461,874,067.94
  5. Step 5: Solve for x
    x = 397,359,461,874,067.94/22,157,474.31
  6. Step 6: Final answer
    x = 17,933,427.62

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1.5x scale

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.