Home / 21,063,205.14-29,066,661.03-11,770,847.67

Finding the Fourth Proportional to 21,063,205.14, 29,066,661.03 and 11,770,847.67

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Solution

The fourth proportional to 21,063,205.14, 29,066,661.03 and 11,770,847.67 is: 16,243,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,205.14 : 29,066,661.03 = 11,770,847.67 : x
  2. Step 2: Convert to fraction form
    21,063,205.14/29,066,661.03 = 11,770,847.67/x
  3. Step 3: Cross multiply
    21,063,205.14x = 29,066,661.03 × 11,770,847.67
  4. Step 4: Simplify right side
    21,063,205.14x = 342,139,239,259,655.31
  5. Step 5: Solve for x
    x = 342,139,239,259,655.31/21,063,205.14
  6. Step 6: Final answer
    x = 16,243,455.68

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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.