Home / 28,400,163.20-42,606,465.60-9,227,657.60

Finding the Fourth Proportional to 28,400,163.20, 42,606,465.60 and 9,227,657.60

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Solution

The fourth proportional to 28,400,163.20, 42,606,465.60 and 9,227,657.60 is: 13,843,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,163.20 : 42,606,465.60 = 9,227,657.60 : x
  2. Step 2: Convert to fraction form
    28,400,163.20/42,606,465.60 = 9,227,657.60/x
  3. Step 3: Cross multiply
    28,400,163.20x = 42,606,465.60 × 9,227,657.60
  4. Step 4: Simplify right side
    28,400,163.20x = 393,157,876,102,978.56
  5. Step 5: Solve for x
    x = 393,157,876,102,978.56/28,400,163.20
  6. Step 6: Final answer
    x = 13,843,507.64

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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.