Home / 13,945,571.60-20,918,357.40-8,276,867.60

Finding the Fourth Proportional to 13,945,571.60, 20,918,357.40 and 8,276,867.60

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Solution

The fourth proportional to 13,945,571.60, 20,918,357.40 and 8,276,867.60 is: 12,415,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945,571.60 : 20,918,357.40 = 8,276,867.60 : x
  2. Step 2: Convert to fraction form
    13,945,571.60/20,918,357.40 = 8,276,867.60/x
  3. Step 3: Cross multiply
    13,945,571.60x = 20,918,357.40 × 8,276,867.60
  4. Step 4: Simplify right side
    13,945,571.60x = 173,138,474,609,280.22
  5. Step 5: Solve for x
    x = 173,138,474,609,280.22/13,945,571.60
  6. Step 6: Final answer
    x = 12,415,301.40

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1.5x scale

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.