Home / 13,781,245.48-20,673,759.98-4,680,899.96

Finding the Fourth Proportional to 13,781,245.48, 20,673,759.98 and 4,680,899.96

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Solution

The fourth proportional to 13,781,245.48, 20,673,759.98 and 4,680,899.96 is: 7,021,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,245.48 : 20,673,759.98 = 4,680,899.96 : x
  2. Step 2: Convert to fraction form
    13,781,245.48/20,673,759.98 = 4,680,899.96/x
  3. Step 3: Cross multiply
    13,781,245.48x = 20,673,759.98 × 4,680,899.96
  4. Step 4: Simplify right side
    13,781,245.48x = 96,771,802,263,431.61
  5. Step 5: Solve for x
    x = 96,771,802,263,431.61/13,781,245.48
  6. Step 6: Final answer
    x = 7,021,992.49

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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.