Home / 10,515,954.80-15,773,932.20-4,126,415.60

Finding the Fourth Proportional to 10,515,954.80, 15,773,932.20 and 4,126,415.60

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Solution

The fourth proportional to 10,515,954.80, 15,773,932.20 and 4,126,415.60 is: 6,189,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,954.80 : 15,773,932.20 = 4,126,415.60 : x
  2. Step 2: Convert to fraction form
    10,515,954.80/15,773,932.20 = 4,126,415.60/x
  3. Step 3: Cross multiply
    10,515,954.80x = 15,773,932.20 × 4,126,415.60
  4. Step 4: Simplify right side
    10,515,954.80x = 65,089,799,903,422.32
  5. Step 5: Solve for x
    x = 65,089,799,903,422.32/10,515,954.80
  6. Step 6: Final answer
    x = 6,189,623.40

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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.