Home / 21,615,774.68-29,825,825.46-12,322,949.24

Finding the Fourth Proportional to 21,615,774.68, 29,825,825.46 and 12,322,949.24

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Solution

The fourth proportional to 21,615,774.68, 29,825,825.46 and 12,322,949.24 is: 17,003,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615,774.68 : 29,825,825.46 = 12,322,949.24 : x
  2. Step 2: Convert to fraction form
    21,615,774.68/29,825,825.46 = 12,322,949.24/x
  3. Step 3: Cross multiply
    21,615,774.68x = 29,825,825.46 × 12,322,949.24
  4. Step 4: Simplify right side
    21,615,774.68x = 367,542,133,184,679.69
  5. Step 5: Solve for x
    x = 367,542,133,184,679.69/21,615,774.68
  6. Step 6: Final answer
    x = 17,003,421.74

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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.