Home / 18,694,021.61-28,017,444.97-9,474,310.65

Finding the Fourth Proportional to 18,694,021.61, 28,017,444.97 and 9,474,310.65

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Solution

The fourth proportional to 18,694,021.61, 28,017,444.97 and 9,474,310.65 is: 14,199,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694,021.61 : 28,017,444.97 = 9,474,310.65 : x
  2. Step 2: Convert to fraction form
    18,694,021.61/28,017,444.97 = 9,474,310.65/x
  3. Step 3: Cross multiply
    18,694,021.61x = 28,017,444.97 × 9,474,310.65
  4. Step 4: Simplify right side
    18,694,021.61x = 265,445,977,241,374.19
  5. Step 5: Solve for x
    x = 265,445,977,241,374.19/18,694,021.61
  6. Step 6: Final answer
    x = 14,199,511.63

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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.