Home / 18,413,826.44-25,406,636.72-11,886,057.90

Finding the Fourth Proportional to 18,413,826.44, 25,406,636.72 and 11,886,057.90

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Solution

The fourth proportional to 18,413,826.44, 25,406,636.72 and 11,886,057.90 is: 16,399,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,826.44 : 25,406,636.72 = 11,886,057.90 : x
  2. Step 2: Convert to fraction form
    18,413,826.44/25,406,636.72 = 11,886,057.90/x
  3. Step 3: Cross multiply
    18,413,826.44x = 25,406,636.72 × 11,886,057.90
  4. Step 4: Simplify right side
    18,413,826.44x = 301,984,755,038,755.81
  5. Step 5: Solve for x
    x = 301,984,755,038,755.81/18,413,826.44
  6. Step 6: Final answer
    x = 16,399,891.47

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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.