Home / 13,807,440.82-20,711,265-6,129,021.40

Finding the Fourth Proportional to 13,807,440.82, 20,711,265 and 6,129,021.40

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Solution

The fourth proportional to 13,807,440.82, 20,711,265 and 6,129,021.40 is: 9,193,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,440.82 : 20,711,265 = 6,129,021.40 : x
  2. Step 2: Convert to fraction form
    13,807,440.82/20,711,265 = 6,129,021.40/x
  3. Step 3: Cross multiply
    13,807,440.82x = 20,711,265 × 6,129,021.40
  4. Step 4: Simplify right side
    13,807,440.82x = 126,939,786,302,514.67
  5. Step 5: Solve for x
    x = 126,939,786,302,514.67/13,807,440.82
  6. Step 6: Final answer
    x = 9,193,578.16

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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.