Home / 8,621,584-12,932,894.40-2,638,003.84

Finding the Fourth Proportional to 8,621,584, 12,932,894.40 and 2,638,003.84

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Solution

The fourth proportional to 8,621,584, 12,932,894.40 and 2,638,003.84 is: 3,957,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621,584 : 12,932,894.40 = 2,638,003.84 : x
  2. Step 2: Convert to fraction form
    8,621,584/12,932,894.40 = 2,638,003.84/x
  3. Step 3: Cross multiply
    8,621,584x = 12,932,894.40 × 2,638,003.84
  4. Step 4: Simplify right side
    8,621,584x = 34,117,025,089,514.50
  5. Step 5: Solve for x
    x = 34,117,025,089,514.50/8,621,584
  6. Step 6: Final answer
    x = 3,957,164.38

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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.