Home / 20,947,763.09-28,907,459.93-12,127,586.27

Finding the Fourth Proportional to 20,947,763.09, 28,907,459.93 and 12,127,586.27

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Solution

The fourth proportional to 20,947,763.09, 28,907,459.93 and 12,127,586.27 is: 16,735,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947,763.09 : 28,907,459.93 = 12,127,586.27 : x
  2. Step 2: Convert to fraction form
    20,947,763.09/28,907,459.93 = 12,127,586.27/x
  3. Step 3: Cross multiply
    20,947,763.09x = 28,907,459.93 × 12,127,586.27
  4. Step 4: Simplify right side
    20,947,763.09x = 350,577,713,942,467.94
  5. Step 5: Solve for x
    x = 350,577,713,942,467.94/20,947,763.09
  6. Step 6: Final answer
    x = 16,735,806.71

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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.