Home / 18,685,081.35-28,034,620.43-7,333,676.55

Finding the Fourth Proportional to 18,685,081.35, 28,034,620.43 and 7,333,676.55

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Solution

The fourth proportional to 18,685,081.35, 28,034,620.43 and 7,333,676.55 is: 11,003,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,081.35 : 28,034,620.43 = 7,333,676.55 : x
  2. Step 2: Convert to fraction form
    18,685,081.35/28,034,620.43 = 7,333,676.55/x
  3. Step 3: Cross multiply
    18,685,081.35x = 28,034,620.43 × 7,333,676.55
  4. Step 4: Simplify right side
    18,685,081.35x = 205,596,838,398,973.53
  5. Step 5: Solve for x
    x = 205,596,838,398,973.53/18,685,081.35
  6. Step 6: Final answer
    x = 11,003,261.62

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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.