Home / 19,147,101.54-28,678,428.62-15,826,749.54

Finding the Fourth Proportional to 19,147,101.54, 28,678,428.62 and 15,826,749.54

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Solution

The fourth proportional to 19,147,101.54, 28,678,428.62 and 15,826,749.54 is: 23,705,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147,101.54 : 28,678,428.62 = 15,826,749.54 : x
  2. Step 2: Convert to fraction form
    19,147,101.54/28,678,428.62 = 15,826,749.54/x
  3. Step 3: Cross multiply
    19,147,101.54x = 28,678,428.62 × 15,826,749.54
  4. Step 4: Simplify right side
    19,147,101.54x = 453,886,306,969,507.81
  5. Step 5: Solve for x
    x = 453,886,306,969,507.81/19,147,101.54
  6. Step 6: Final answer
    x = 23,705,222.75

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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.