Home / 18,215,652.60-25,120,209.95-11,926,795.39

Finding the Fourth Proportional to 18,215,652.60, 25,120,209.95 and 11,926,795.39

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Solution

The fourth proportional to 18,215,652.60, 25,120,209.95 and 11,926,795.39 is: 16,447,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,652.60 : 25,120,209.95 = 11,926,795.39 : x
  2. Step 2: Convert to fraction form
    18,215,652.60/25,120,209.95 = 11,926,795.39/x
  3. Step 3: Cross multiply
    18,215,652.60x = 25,120,209.95 × 11,926,795.39
  4. Step 4: Simplify right side
    18,215,652.60x = 299,603,604,149,783.12
  5. Step 5: Solve for x
    x = 299,603,604,149,783.12/18,215,652.60
  6. Step 6: Final answer
    x = 16,447,591.02

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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.