Home / 28,200,958.87-42,301,584.29-12,837,504.27

Finding the Fourth Proportional to 28,200,958.87, 42,301,584.29 and 12,837,504.27

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Solution

The fourth proportional to 28,200,958.87, 42,301,584.29 and 12,837,504.27 is: 19,256,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,958.87 : 42,301,584.29 = 12,837,504.27 : x
  2. Step 2: Convert to fraction form
    28,200,958.87/42,301,584.29 = 12,837,504.27/x
  3. Step 3: Cross multiply
    28,200,958.87x = 42,301,584.29 × 12,837,504.27
  4. Step 4: Simplify right side
    28,200,958.87x = 543,046,768,950,639.88
  5. Step 5: Solve for x
    x = 543,046,768,950,639.88/28,200,958.87
  6. Step 6: Final answer
    x = 19,256,322.86

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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.