Home / 21,056,012.54-29,057,497.62-12,354,333.20

Finding the Fourth Proportional to 21,056,012.54, 29,057,497.62 and 12,354,333.20

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Solution

The fourth proportional to 21,056,012.54, 29,057,497.62 and 12,354,333.20 is: 17,049,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,012.54 : 29,057,497.62 = 12,354,333.20 : x
  2. Step 2: Convert to fraction form
    21,056,012.54/29,057,497.62 = 12,354,333.20/x
  3. Step 3: Cross multiply
    21,056,012.54x = 29,057,497.62 × 12,354,333.20
  4. Step 4: Simplify right side
    21,056,012.54x = 358,986,007,555,687
  5. Step 5: Solve for x
    x = 358,986,007,555,687/21,056,012.54
  6. Step 6: Final answer
    x = 17,049,097.35

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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.