Home / 21,463,896.81-29,617,489.20-14,509,705.32

Finding the Fourth Proportional to 21,463,896.81, 29,617,489.20 and 14,509,705.32

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Solution

The fourth proportional to 21,463,896.81, 29,617,489.20 and 14,509,705.32 is: 20,021,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463,896.81 : 29,617,489.20 = 14,509,705.32 : x
  2. Step 2: Convert to fraction form
    21,463,896.81/29,617,489.20 = 14,509,705.32/x
  3. Step 3: Cross multiply
    21,463,896.81x = 29,617,489.20 × 14,509,705.32
  4. Step 4: Simplify right side
    21,463,896.81x = 429,741,040,610,282.56
  5. Step 5: Solve for x
    x = 429,741,040,610,282.56/21,463,896.81
  6. Step 6: Final answer
    x = 20,021,575.97

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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.