Home / 21,529,322.12-29,710,247.64-11,739,741.56

Finding the Fourth Proportional to 21,529,322.12, 29,710,247.64 and 11,739,741.56

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Solution

The fourth proportional to 21,529,322.12, 29,710,247.64 and 11,739,741.56 is: 16,200,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529,322.12 : 29,710,247.64 = 11,739,741.56 : x
  2. Step 2: Convert to fraction form
    21,529,322.12/29,710,247.64 = 11,739,741.56/x
  3. Step 3: Cross multiply
    21,529,322.12x = 29,710,247.64 × 11,739,741.56
  4. Step 4: Simplify right side
    21,529,322.12x = 348,790,628,977,199.94
  5. Step 5: Solve for x
    x = 348,790,628,977,199.94/21,529,322.12
  6. Step 6: Final answer
    x = 16,200,725.09

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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.