Home / 21,647,453.94-29,862,160.65-13,384,875.06

Finding the Fourth Proportional to 21,647,453.94, 29,862,160.65 and 13,384,875.06

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Solution

The fourth proportional to 21,647,453.94, 29,862,160.65 and 13,384,875.06 is: 18,464,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647,453.94 : 29,862,160.65 = 13,384,875.06 : x
  2. Step 2: Convert to fraction form
    21,647,453.94/29,862,160.65 = 13,384,875.06/x
  3. Step 3: Cross multiply
    21,647,453.94x = 29,862,160.65 × 13,384,875.06
  4. Step 4: Simplify right side
    21,647,453.94x = 399,701,289,321,898.38
  5. Step 5: Solve for x
    x = 399,701,289,321,898.38/21,647,453.94
  6. Step 6: Final answer
    x = 18,464,124.72

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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.