Home / 8,694,010.80-13,030,518.60-4,431,985.20

Finding the Fourth Proportional to 8,694,010.80, 13,030,518.60 and 4,431,985.20

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Solution

The fourth proportional to 8,694,010.80, 13,030,518.60 and 4,431,985.20 is: 6,642,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694,010.80 : 13,030,518.60 = 4,431,985.20 : x
  2. Step 2: Convert to fraction form
    8,694,010.80/13,030,518.60 = 4,431,985.20/x
  3. Step 3: Cross multiply
    8,694,010.80x = 13,030,518.60 × 4,431,985.20
  4. Step 4: Simplify right side
    8,694,010.80x = 57,751,065,583,524.72
  5. Step 5: Solve for x
    x = 57,751,065,583,524.72/8,694,010.80
  6. Step 6: Final answer
    x = 6,642,626.39

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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.