Home / 18,752,618.08-28,130,015.76-7,238,150.56

Finding the Fourth Proportional to 18,752,618.08, 28,130,015.76 and 7,238,150.56

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Solution

The fourth proportional to 18,752,618.08, 28,130,015.76 and 7,238,150.56 is: 10,857,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752,618.08 : 28,130,015.76 = 7,238,150.56 : x
  2. Step 2: Convert to fraction form
    18,752,618.08/28,130,015.76 = 7,238,150.56/x
  3. Step 3: Cross multiply
    18,752,618.08x = 28,130,015.76 × 7,238,150.56
  4. Step 4: Simplify right side
    18,752,618.08x = 203,609,289,326,052.81
  5. Step 5: Solve for x
    x = 203,609,289,326,052.81/18,752,618.08
  6. Step 6: Final answer
    x = 10,857,646.03

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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.