Home / 12,184,480.20-18,276,720.30-12,100,499.40

Finding the Fourth Proportional to 12,184,480.20, 18,276,720.30 and 12,100,499.40

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Solution

The fourth proportional to 12,184,480.20, 18,276,720.30 and 12,100,499.40 is: 18,150,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184,480.20 : 18,276,720.30 = 12,100,499.40 : x
  2. Step 2: Convert to fraction form
    12,184,480.20/18,276,720.30 = 12,100,499.40/x
  3. Step 3: Cross multiply
    12,184,480.20x = 18,276,720.30 × 12,100,499.40
  4. Step 4: Simplify right side
    12,184,480.20x = 221,157,443,024,117.84
  5. Step 5: Solve for x
    x = 221,157,443,024,117.84/12,184,480.20
  6. Step 6: Final answer
    x = 18,150,749.10

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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.