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Finding the Fourth Proportional to 14,651,998.80, 21,936,007.80 and 14,232,094.80

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Solution

The fourth proportional to 14,651,998.80, 21,936,007.80 and 14,232,094.80 is: 21,307,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651,998.80 : 21,936,007.80 = 14,232,094.80 : x
  2. Step 2: Convert to fraction form
    14,651,998.80/21,936,007.80 = 14,232,094.80/x
  3. Step 3: Cross multiply
    14,651,998.80x = 21,936,007.80 × 14,232,094.80
  4. Step 4: Simplify right side
    14,651,998.80x = 312,195,342,543,139.44
  5. Step 5: Solve for x
    x = 312,195,342,543,139.44/14,651,998.80
  6. Step 6: Final answer
    x = 21,307,355.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.