Home / 28,676,580.33-43,014,911.64-21,891,676.77

Finding the Fourth Proportional to 28,676,580.33, 43,014,911.64 and 21,891,676.77

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Solution

The fourth proportional to 28,676,580.33, 43,014,911.64 and 21,891,676.77 is: 32,837,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676,580.33 : 43,014,911.64 = 21,891,676.77 : x
  2. Step 2: Convert to fraction form
    28,676,580.33/43,014,911.64 = 21,891,676.77/x
  3. Step 3: Cross multiply
    28,676,580.33x = 43,014,911.64 × 21,891,676.77
  4. Step 4: Simplify right side
    28,676,580.33x = 941,668,541,912,990.62
  5. Step 5: Solve for x
    x = 941,668,541,912,990.62/28,676,580.33
  6. Step 6: Final answer
    x = 32,837,546.57

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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.