Home / 19,275,832.43-28,915,775.82-5,629,017.12

Finding the Fourth Proportional to 19,275,832.43, 28,915,775.82 and 5,629,017.12

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Solution

The fourth proportional to 19,275,832.43, 28,915,775.82 and 5,629,017.12 is: 8,444,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275,832.43 : 28,915,775.82 = 5,629,017.12 : x
  2. Step 2: Convert to fraction form
    19,275,832.43/28,915,775.82 = 5,629,017.12/x
  3. Step 3: Cross multiply
    19,275,832.43x = 28,915,775.82 × 5,629,017.12
  4. Step 4: Simplify right side
    19,275,832.43x = 162,767,397,128,862.03
  5. Step 5: Solve for x
    x = 162,767,397,128,862.03/19,275,832.43
  6. Step 6: Final answer
    x = 8,444,117.67

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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.