Home / 18,752,673.08-28,130,098.26-7,238,205.56

Finding the Fourth Proportional to 18,752,673.08, 28,130,098.26 and 7,238,205.56

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Solution

The fourth proportional to 18,752,673.08, 28,130,098.26 and 7,238,205.56 is: 10,857,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752,673.08 : 28,130,098.26 = 7,238,205.56 : x
  2. Step 2: Convert to fraction form
    18,752,673.08/28,130,098.26 = 7,238,205.56/x
  3. Step 3: Cross multiply
    18,752,673.08x = 28,130,098.26 × 7,238,205.56
  4. Step 4: Simplify right side
    18,752,673.08x = 203,611,433,628,878.31
  5. Step 5: Solve for x
    x = 203,611,433,628,878.31/18,752,673.08
  6. Step 6: Final answer
    x = 10,857,728.54

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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.