Home / 28,180,866.98-38,889,602.08-17,167,616.12

Finding the Fourth Proportional to 28,180,866.98, 38,889,602.08 and 17,167,616.12

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Solution

The fourth proportional to 28,180,866.98, 38,889,602.08 and 17,167,616.12 is: 23,691,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,866.98 : 38,889,602.08 = 17,167,616.12 : x
  2. Step 2: Convert to fraction form
    28,180,866.98/38,889,602.08 = 17,167,616.12/x
  3. Step 3: Cross multiply
    28,180,866.98x = 38,889,602.08 × 17,167,616.12
  4. Step 4: Simplify right side
    28,180,866.98x = 667,641,759,568,993.50
  5. Step 5: Solve for x
    x = 667,641,759,568,993.50/28,180,866.98
  6. Step 6: Final answer
    x = 23,691,313.69

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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.