Home / 15,727,934.44-21,705,043.59-8,664,040.02

Finding the Fourth Proportional to 15,727,934.44, 21,705,043.59 and 8,664,040.02

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Solution

The fourth proportional to 15,727,934.44, 21,705,043.59 and 8,664,040.02 is: 11,956,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,934.44 : 21,705,043.59 = 8,664,040.02 : x
  2. Step 2: Convert to fraction form
    15,727,934.44/21,705,043.59 = 8,664,040.02/x
  3. Step 3: Cross multiply
    15,727,934.44x = 21,705,043.59 × 8,664,040.02
  4. Step 4: Simplify right side
    15,727,934.44x = 188,053,366,380,998.38
  5. Step 5: Solve for x
    x = 188,053,366,380,998.38/15,727,934.44
  6. Step 6: Final answer
    x = 11,956,647.40

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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.