Home / 15,228,078-22,811,662.08-9,159,458.64

Finding the Fourth Proportional to 15,228,078, 22,811,662.08 and 9,159,458.64

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Solution

The fourth proportional to 15,228,078, 22,811,662.08 and 9,159,458.64 is: 13,720,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228,078 : 22,811,662.08 = 9,159,458.64 : x
  2. Step 2: Convert to fraction form
    15,228,078/22,811,662.08 = 9,159,458.64/x
  3. Step 3: Cross multiply
    15,228,078x = 22,811,662.08 × 9,159,458.64
  4. Step 4: Simplify right side
    15,228,078x = 208,942,475,331,416.38
  5. Step 5: Solve for x
    x = 208,942,475,331,416.38/15,228,078
  6. Step 6: Final answer
    x = 13,720,869.79

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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.