Home / 22,157,261.64-30,582,122.94-12,992,856.84

Finding the Fourth Proportional to 22,157,261.64, 30,582,122.94 and 12,992,856.84

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Solution

The fourth proportional to 22,157,261.64, 30,582,122.94 and 12,992,856.84 is: 17,933,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,261.64 : 30,582,122.94 = 12,992,856.84 : x
  2. Step 2: Convert to fraction form
    22,157,261.64/30,582,122.94 = 12,992,856.84/x
  3. Step 3: Cross multiply
    22,157,261.64x = 30,582,122.94 × 12,992,856.84
  4. Step 4: Simplify right side
    22,157,261.64x = 397,349,145,222,699.94
  5. Step 5: Solve for x
    x = 397,349,145,222,699.94/22,157,261.64
  6. Step 6: Final answer
    x = 17,933,134.14

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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.