Home / 10,111,739.20-13,954,249.28-5,528,060.56

Finding the Fourth Proportional to 10,111,739.20, 13,954,249.28 and 5,528,060.56

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Solution

The fourth proportional to 10,111,739.20, 13,954,249.28 and 5,528,060.56 is: 7,628,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111,739.20 : 13,954,249.28 = 5,528,060.56 : x
  2. Step 2: Convert to fraction form
    10,111,739.20/13,954,249.28 = 5,528,060.56/x
  3. Step 3: Cross multiply
    10,111,739.20x = 13,954,249.28 × 5,528,060.56
  4. Step 4: Simplify right side
    10,111,739.20x = 77,139,935,089,176.39
  5. Step 5: Solve for x
    x = 77,139,935,089,176.39/10,111,739.20
  6. Step 6: Final answer
    x = 7,628,750.46

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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.