Home / 43,901,905.80-65,852,858.70-13,612,830.60

Finding the Fourth Proportional to 43,901,905.80, 65,852,858.70 and 13,612,830.60

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Solution

The fourth proportional to 43,901,905.80, 65,852,858.70 and 13,612,830.60 is: 20,419,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,901,905.80 : 65,852,858.70 = 13,612,830.60 : x
  2. Step 2: Convert to fraction form
    43,901,905.80/65,852,858.70 = 13,612,830.60/x
  3. Step 3: Cross multiply
    43,901,905.80x = 65,852,858.70 × 13,612,830.60
  4. Step 4: Simplify right side
    43,901,905.80x = 896,443,810,008,836.25
  5. Step 5: Solve for x
    x = 896,443,810,008,836.25/43,901,905.80
  6. Step 6: Final answer
    x = 20,419,245.90

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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.