Home / 18,794,405.80-28,191,608.70-9,228,467.80

Finding the Fourth Proportional to 18,794,405.80, 28,191,608.70 and 9,228,467.80

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Solution

The fourth proportional to 18,794,405.80, 28,191,608.70 and 9,228,467.80 is: 13,842,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,405.80 : 28,191,608.70 = 9,228,467.80 : x
  2. Step 2: Convert to fraction form
    18,794,405.80/28,191,608.70 = 9,228,467.80/x
  3. Step 3: Cross multiply
    18,794,405.80x = 28,191,608.70 × 9,228,467.80
  4. Step 4: Simplify right side
    18,794,405.80x = 260,165,353,118,149.88
  5. Step 5: Solve for x
    x = 260,165,353,118,149.88/18,794,405.80
  6. Step 6: Final answer
    x = 13,842,701.70

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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.