Home / 10,777,813.60-16,166,720.40-8,652,049.60

Finding the Fourth Proportional to 10,777,813.60, 16,166,720.40 and 8,652,049.60

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Solution

The fourth proportional to 10,777,813.60, 16,166,720.40 and 8,652,049.60 is: 12,978,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,813.60 : 16,166,720.40 = 8,652,049.60 : x
  2. Step 2: Convert to fraction form
    10,777,813.60/16,166,720.40 = 8,652,049.60/x
  3. Step 3: Cross multiply
    10,777,813.60x = 16,166,720.40 × 8,652,049.60
  4. Step 4: Simplify right side
    10,777,813.60x = 139,875,266,770,131.84
  5. Step 5: Solve for x
    x = 139,875,266,770,131.84/10,777,813.60
  6. Step 6: Final answer
    x = 12,978,074.40

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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.