Home / 13,334,832.80-20,002,249.20-13,122,256.40

Finding the Fourth Proportional to 13,334,832.80, 20,002,249.20 and 13,122,256.40

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Solution

The fourth proportional to 13,334,832.80, 20,002,249.20 and 13,122,256.40 is: 19,683,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,832.80 : 20,002,249.20 = 13,122,256.40 : x
  2. Step 2: Convert to fraction form
    13,334,832.80/20,002,249.20 = 13,122,256.40/x
  3. Step 3: Cross multiply
    13,334,832.80x = 20,002,249.20 × 13,122,256.40
  4. Step 4: Simplify right side
    13,334,832.80x = 262,474,642,579,094.88
  5. Step 5: Solve for x
    x = 262,474,642,579,094.88/13,334,832.80
  6. Step 6: Final answer
    x = 19,683,384.60

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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.