Home / 21,584,849.28-29,790,129.77-13,741,856.08

Finding the Fourth Proportional to 21,584,849.28, 29,790,129.77 and 13,741,856.08

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Solution

The fourth proportional to 21,584,849.28, 29,790,129.77 and 13,741,856.08 is: 18,965,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,849.28 : 29,790,129.77 = 13,741,856.08 : x
  2. Step 2: Convert to fraction form
    21,584,849.28/29,790,129.77 = 13,741,856.08/x
  3. Step 3: Cross multiply
    21,584,849.28x = 29,790,129.77 × 13,741,856.08
  4. Step 4: Simplify right side
    21,584,849.28x = 409,371,675,903,863.50
  5. Step 5: Solve for x
    x = 409,371,675,903,863.50/21,584,849.28
  6. Step 6: Final answer
    x = 18,965,695.36

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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.