Home / 28,374,364.35-42,567,525.24-9,203,626.80

Finding the Fourth Proportional to 28,374,364.35, 42,567,525.24 and 9,203,626.80

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Solution

The fourth proportional to 28,374,364.35, 42,567,525.24 and 9,203,626.80 is: 13,807,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,374,364.35 : 42,567,525.24 = 9,203,626.80 : x
  2. Step 2: Convert to fraction form
    28,374,364.35/42,567,525.24 = 9,203,626.80/x
  3. Step 3: Cross multiply
    28,374,364.35x = 42,567,525.24 × 9,203,626.80
  4. Step 4: Simplify right side
    28,374,364.35x = 391,775,616,108,540.50
  5. Step 5: Solve for x
    x = 391,775,616,108,540.50/28,374,364.35
  6. Step 6: Final answer
    x = 13,807,379.48

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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.