Home / 20,256,977.76-27,954,628.50-11,089,620.51

Finding the Fourth Proportional to 20,256,977.76, 27,954,628.50 and 11,089,620.51

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Solution

The fourth proportional to 20,256,977.76, 27,954,628.50 and 11,089,620.51 is: 15,303,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256,977.76 : 27,954,628.50 = 11,089,620.51 : x
  2. Step 2: Convert to fraction form
    20,256,977.76/27,954,628.50 = 11,089,620.51/x
  3. Step 3: Cross multiply
    20,256,977.76x = 27,954,628.50 × 11,089,620.51
  4. Step 4: Simplify right side
    20,256,977.76x = 310,006,221,563,030.50
  5. Step 5: Solve for x
    x = 310,006,221,563,030.50/20,256,977.76
  6. Step 6: Final answer
    x = 15,303,675.86

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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.