Home / 43,684,474.80-65,526,712.20-11,771,770.80

Finding the Fourth Proportional to 43,684,474.80, 65,526,712.20 and 11,771,770.80

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Solution

The fourth proportional to 43,684,474.80, 65,526,712.20 and 11,771,770.80 is: 17,657,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,684,474.80 : 65,526,712.20 = 11,771,770.80 : x
  2. Step 2: Convert to fraction form
    43,684,474.80/65,526,712.20 = 11,771,770.80/x
  3. Step 3: Cross multiply
    43,684,474.80x = 65,526,712.20 × 11,771,770.80
  4. Step 4: Simplify right side
    43,684,474.80x = 771,365,437,295,963.88
  5. Step 5: Solve for x
    x = 771,365,437,295,963.88/43,684,474.80
  6. Step 6: Final answer
    x = 17,657,656.20

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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.