Home / 20,203,747.32-27,824,491.26-18,907,002.12

Finding the Fourth Proportional to 20,203,747.32, 27,824,491.26 and 18,907,002.12

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Solution

The fourth proportional to 20,203,747.32, 27,824,491.26 and 18,907,002.12 is: 26,038,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,747.32 : 27,824,491.26 = 18,907,002.12 : x
  2. Step 2: Convert to fraction form
    20,203,747.32/27,824,491.26 = 18,907,002.12/x
  3. Step 3: Cross multiply
    20,203,747.32x = 27,824,491.26 × 18,907,002.12
  4. Step 4: Simplify right side
    20,203,747.32x = 526,077,715,240,741.50
  5. Step 5: Solve for x
    x = 526,077,715,240,741.50/20,203,747.32
  6. Step 6: Final answer
    x = 26,038,620.80

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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.