Home / 12,545,410.35-18,818,321.85-3,447,451.05

Finding the Fourth Proportional to 12,545,410.35, 18,818,321.85 and 3,447,451.05

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Solution

The fourth proportional to 12,545,410.35, 18,818,321.85 and 3,447,451.05 is: 5,171,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545,410.35 : 18,818,321.85 = 3,447,451.05 : x
  2. Step 2: Convert to fraction form
    12,545,410.35/18,818,321.85 = 3,447,451.05/x
  3. Step 3: Cross multiply
    12,545,410.35x = 18,818,321.85 × 3,447,451.05
  4. Step 4: Simplify right side
    12,545,410.35x = 64,875,243,421,020.45
  5. Step 5: Solve for x
    x = 64,875,243,421,020.45/12,545,410.35
  6. Step 6: Final answer
    x = 5,171,233.27

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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.