Home / 18,809,458.19-28,213,935.06-5,162,588.45

Finding the Fourth Proportional to 18,809,458.19, 28,213,935.06 and 5,162,588.45

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Solution

The fourth proportional to 18,809,458.19, 28,213,935.06 and 5,162,588.45 is: 7,743,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,458.19 : 28,213,935.06 = 5,162,588.45 : x
  2. Step 2: Convert to fraction form
    18,809,458.19/28,213,935.06 = 5,162,588.45/x
  3. Step 3: Cross multiply
    18,809,458.19x = 28,213,935.06 × 5,162,588.45
  4. Step 4: Simplify right side
    18,809,458.19x = 145,656,935,128,736.38
  5. Step 5: Solve for x
    x = 145,656,935,128,736.38/18,809,458.19
  6. Step 6: Final answer
    x = 7,743,813.44

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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.