Home / 18,709,399.67-28,064,168.44-5,755,460.58

Finding the Fourth Proportional to 18,709,399.67, 28,064,168.44 and 5,755,460.58

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Solution

The fourth proportional to 18,709,399.67, 28,064,168.44 and 5,755,460.58 is: 8,633,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,399.67 : 28,064,168.44 = 5,755,460.58 : x
  2. Step 2: Convert to fraction form
    18,709,399.67/28,064,168.44 = 5,755,460.58/x
  3. Step 3: Cross multiply
    18,709,399.67x = 28,064,168.44 × 5,755,460.58
  4. Step 4: Simplify right side
    18,709,399.67x = 161,522,215,152,511.44
  5. Step 5: Solve for x
    x = 161,522,215,152,511.44/18,709,399.67
  6. Step 6: Final answer
    x = 8,633,212.08

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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.