Home / 21,654,797.04-29,883,229.56-12,840,181.02

Finding the Fourth Proportional to 21,654,797.04, 29,883,229.56 and 12,840,181.02

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Solution

The fourth proportional to 21,654,797.04, 29,883,229.56 and 12,840,181.02 is: 17,719,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654,797.04 : 29,883,229.56 = 12,840,181.02 : x
  2. Step 2: Convert to fraction form
    21,654,797.04/29,883,229.56 = 12,840,181.02/x
  3. Step 3: Cross multiply
    21,654,797.04x = 29,883,229.56 × 12,840,181.02
  4. Step 4: Simplify right side
    21,654,797.04x = 383,706,077,012,614.94
  5. Step 5: Solve for x
    x = 383,706,077,012,614.94/21,654,797.04
  6. Step 6: Final answer
    x = 17,719,218.35

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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.