Home / 30,019,859.90-41,341,486.26-28,149,247.12

Finding the Fourth Proportional to 30,019,859.90, 41,341,486.26 and 28,149,247.12

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Solution

The fourth proportional to 30,019,859.90, 41,341,486.26 and 28,149,247.12 is: 38,765,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,859.90 : 41,341,486.26 = 28,149,247.12 : x
  2. Step 2: Convert to fraction form
    30,019,859.90/41,341,486.26 = 28,149,247.12/x
  3. Step 3: Cross multiply
    30,019,859.90x = 41,341,486.26 × 28,149,247.12
  4. Step 4: Simplify right side
    30,019,859.90x = 1,163,731,713,040,824.50
  5. Step 5: Solve for x
    x = 1,163,731,713,040,824.50/30,019,859.90
  6. Step 6: Final answer
    x = 38,765,394.54

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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.