Home / 25,614,392.40-38,408,455.80-7,661,163.60

Finding the Fourth Proportional to 25,614,392.40, 38,408,455.80 and 7,661,163.60

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Solution

The fourth proportional to 25,614,392.40, 38,408,455.80 and 7,661,163.60 is: 11,487,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614,392.40 : 38,408,455.80 = 7,661,163.60 : x
  2. Step 2: Convert to fraction form
    25,614,392.40/38,408,455.80 = 7,661,163.60/x
  3. Step 3: Cross multiply
    25,614,392.40x = 38,408,455.80 × 7,661,163.60
  4. Step 4: Simplify right side
    25,614,392.40x = 294,253,463,507,168.81
  5. Step 5: Solve for x
    x = 294,253,463,507,168.81/25,614,392.40
  6. Step 6: Final answer
    x = 11,487,817.43

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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.