Home / 28,817,525.70-39,768,499.34-15,764,504.36

Finding the Fourth Proportional to 28,817,525.70, 39,768,499.34 and 15,764,504.36

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Solution

The fourth proportional to 28,817,525.70, 39,768,499.34 and 15,764,504.36 is: 21,755,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,525.70 : 39,768,499.34 = 15,764,504.36 : x
  2. Step 2: Convert to fraction form
    28,817,525.70/39,768,499.34 = 15,764,504.36/x
  3. Step 3: Cross multiply
    28,817,525.70x = 39,768,499.34 × 15,764,504.36
  4. Step 4: Simplify right side
    28,817,525.70x = 626,930,680,958,422.12
  5. Step 5: Solve for x
    x = 626,930,680,958,422.12/28,817,525.70
  6. Step 6: Final answer
    x = 21,755,187.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.