Home / 20,568,332.36-30,830,745.76-7,606,154.23

Finding the Fourth Proportional to 20,568,332.36, 30,830,745.76 and 7,606,154.23

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Solution

The fourth proportional to 20,568,332.36, 30,830,745.76 and 7,606,154.23 is: 11,401,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568,332.36 : 30,830,745.76 = 7,606,154.23 : x
  2. Step 2: Convert to fraction form
    20,568,332.36/30,830,745.76 = 7,606,154.23/x
  3. Step 3: Cross multiply
    20,568,332.36x = 30,830,745.76 × 7,606,154.23
  4. Step 4: Simplify right side
    20,568,332.36x = 234,503,407,180,386.31
  5. Step 5: Solve for x
    x = 234,503,407,180,386.31/20,568,332.36
  6. Step 6: Final answer
    x = 11,401,187.18

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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.