Home / 43,269,041.80-64,903,562.70-12,563,561.80

Finding the Fourth Proportional to 43,269,041.80, 64,903,562.70 and 12,563,561.80

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Solution

The fourth proportional to 43,269,041.80, 64,903,562.70 and 12,563,561.80 is: 18,845,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,269,041.80 : 64,903,562.70 = 12,563,561.80 : x
  2. Step 2: Convert to fraction form
    43,269,041.80/64,903,562.70 = 12,563,561.80/x
  3. Step 3: Cross multiply
    43,269,041.80x = 64,903,562.70 × 12,563,561.80
  4. Step 4: Simplify right side
    43,269,041.80x = 815,419,921,021,625
  5. Step 5: Solve for x
    x = 815,419,921,021,625/43,269,041.80
  6. Step 6: Final answer
    x = 18,845,342.70

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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.