Home / 20,710,584.70-28,580,638.36-11,543,030.62

Finding the Fourth Proportional to 20,710,584.70, 28,580,638.36 and 11,543,030.62

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Solution

The fourth proportional to 20,710,584.70, 28,580,638.36 and 11,543,030.62 is: 15,929,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,584.70 : 28,580,638.36 = 11,543,030.62 : x
  2. Step 2: Convert to fraction form
    20,710,584.70/28,580,638.36 = 11,543,030.62/x
  3. Step 3: Cross multiply
    20,710,584.70x = 28,580,638.36 × 11,543,030.62
  4. Step 4: Simplify right side
    20,710,584.70x = 329,907,183,728,626.56
  5. Step 5: Solve for x
    x = 329,907,183,728,626.56/20,710,584.70
  6. Step 6: Final answer
    x = 15,929,399.80

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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.