Home / 19,147,104.54-28,678,433.12-15,826,752.54

Finding the Fourth Proportional to 19,147,104.54, 28,678,433.12 and 15,826,752.54

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Solution

The fourth proportional to 19,147,104.54, 28,678,433.12 and 15,826,752.54 is: 23,705,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147,104.54 : 28,678,433.12 = 15,826,752.54 : x
  2. Step 2: Convert to fraction form
    19,147,104.54/28,678,433.12 = 15,826,752.54/x
  3. Step 3: Cross multiply
    19,147,104.54x = 28,678,433.12 × 15,826,752.54
  4. Step 4: Simplify right side
    19,147,104.54x = 453,886,464,225,180.12
  5. Step 5: Solve for x
    x = 453,886,464,225,180.12/19,147,104.54
  6. Step 6: Final answer
    x = 23,705,227.25

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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.