Home / 28,681,401-43,022,047.73-8,987,035.60

Finding the Fourth Proportional to 28,681,401, 43,022,047.73 and 8,987,035.60

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Solution

The fourth proportional to 28,681,401, 43,022,047.73 and 8,987,035.60 is: 13,480,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681,401 : 43,022,047.73 = 8,987,035.60 : x
  2. Step 2: Convert to fraction form
    28,681,401/43,022,047.73 = 8,987,035.60/x
  3. Step 3: Cross multiply
    28,681,401x = 43,022,047.73 × 8,987,035.60
  4. Step 4: Simplify right side
    28,681,401x = 386,640,674,449,321.69
  5. Step 5: Solve for x
    x = 386,640,674,449,321.69/28,681,401
  6. Step 6: Final answer
    x = 13,480,536.55

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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.