Home / 20,230,812.37-27,918,464.61-10,938,317.41

Finding the Fourth Proportional to 20,230,812.37, 27,918,464.61 and 10,938,317.41

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Solution

The fourth proportional to 20,230,812.37, 27,918,464.61 and 10,938,317.41 is: 15,094,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,812.37 : 27,918,464.61 = 10,938,317.41 : x
  2. Step 2: Convert to fraction form
    20,230,812.37/27,918,464.61 = 10,938,317.41/x
  3. Step 3: Cross multiply
    20,230,812.37x = 27,918,464.61 × 10,938,317.41
  4. Step 4: Simplify right side
    20,230,812.37x = 305,381,027,504,031.88
  5. Step 5: Solve for x
    x = 305,381,027,504,031.88/20,230,812.37
  6. Step 6: Final answer
    x = 15,094,847.50

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1.5x scale

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.