Home / 22,157,529.70-30,582,492.75-12,993,124.90

Finding the Fourth Proportional to 22,157,529.70, 30,582,492.75 and 12,993,124.90

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Solution

The fourth proportional to 22,157,529.70, 30,582,492.75 and 12,993,124.90 is: 17,933,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,529.70 : 30,582,492.75 = 12,993,124.90 : x
  2. Step 2: Convert to fraction form
    22,157,529.70/30,582,492.75 = 12,993,124.90/x
  3. Step 3: Cross multiply
    22,157,529.70x = 30,582,492.75 × 12,993,124.90
  4. Step 4: Simplify right side
    22,157,529.70x = 397,362,147,836,216.38
  5. Step 5: Solve for x
    x = 397,362,147,836,216.38/22,157,529.70
  6. Step 6: Final answer
    x = 17,933,504.02

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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.