Home / 13,667,089.18-18,860,976.74-7,555,911.34

Finding the Fourth Proportional to 13,667,089.18, 18,860,976.74 and 7,555,911.34

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Solution

The fourth proportional to 13,667,089.18, 18,860,976.74 and 7,555,911.34 is: 10,427,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,089.18 : 18,860,976.74 = 7,555,911.34 : x
  2. Step 2: Convert to fraction form
    13,667,089.18/18,860,976.74 = 7,555,911.34/x
  3. Step 3: Cross multiply
    13,667,089.18x = 18,860,976.74 × 7,555,911.34
  4. Step 4: Simplify right side
    13,667,089.18x = 142,511,868,033,242.22
  5. Step 5: Solve for x
    x = 142,511,868,033,242.22/13,667,089.18
  6. Step 6: Final answer
    x = 10,427,375.29

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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.