Home / 43,269,039.80-64,903,559.70-12,563,559.80

Finding the Fourth Proportional to 43,269,039.80, 64,903,559.70 and 12,563,559.80

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Solution

The fourth proportional to 43,269,039.80, 64,903,559.70 and 12,563,559.80 is: 18,845,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269,039.80 : 64,903,559.70 = 12,563,559.80 : x
  2. Step 2: Convert to fraction form
    43,269,039.80/64,903,559.70 = 12,563,559.80/x
  3. Step 3: Cross multiply
    43,269,039.80x = 64,903,559.70 × 12,563,559.80
  4. Step 4: Simplify right side
    43,269,039.80x = 815,419,753,523,820.12
  5. Step 5: Solve for x
    x = 815,419,753,523,820.12/43,269,039.80
  6. Step 6: Final answer
    x = 18,845,339.70

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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.