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Finding the Fourth Proportional to 25,370,571.60, 37,978,097.40 and 13,976,139.60

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Solution

The fourth proportional to 25,370,571.60, 37,978,097.40 and 13,976,139.60 is: 20,921,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370,571.60 : 37,978,097.40 = 13,976,139.60 : x
  2. Step 2: Convert to fraction form
    25,370,571.60/37,978,097.40 = 13,976,139.60/x
  3. Step 3: Cross multiply
    25,370,571.60x = 37,978,097.40 × 13,976,139.60
  4. Step 4: Simplify right side
    25,370,571.60x = 530,787,191,004,797
  5. Step 5: Solve for x
    x = 530,787,191,004,797/25,370,571.60
  6. Step 6: Final answer
    x = 20,921,372.97

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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.