Home / 38,247,498.23-52,780,007.72-20,843,469.77

Finding the Fourth Proportional to 38,247,498.23, 52,780,007.72 and 20,843,469.77

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Solution

The fourth proportional to 38,247,498.23, 52,780,007.72 and 20,843,469.77 is: 28,763,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,498.23 : 52,780,007.72 = 20,843,469.77 : x
  2. Step 2: Convert to fraction form
    38,247,498.23/52,780,007.72 = 20,843,469.77/x
  3. Step 3: Cross multiply
    38,247,498.23x = 52,780,007.72 × 20,843,469.77
  4. Step 4: Simplify right side
    38,247,498.23x = 1,100,118,495,004,069.38
  5. Step 5: Solve for x
    x = 1,100,118,495,004,069.38/38,247,498.23
  6. Step 6: Final answer
    x = 28,763,149.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.