Home / 18,604,617.68-27,932,585.12-12,833,666.64

Finding the Fourth Proportional to 18,604,617.68, 27,932,585.12 and 12,833,666.64

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Solution

The fourth proportional to 18,604,617.68, 27,932,585.12 and 12,833,666.64 is: 19,268,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604,617.68 : 27,932,585.12 = 12,833,666.64 : x
  2. Step 2: Convert to fraction form
    18,604,617.68/27,932,585.12 = 12,833,666.64/x
  3. Step 3: Cross multiply
    18,604,617.68x = 27,932,585.12 × 12,833,666.64
  4. Step 4: Simplify right side
    18,604,617.68x = 358,477,485,823,504.44
  5. Step 5: Solve for x
    x = 358,477,485,823,504.44/18,604,617.68
  6. Step 6: Final answer
    x = 19,268,199.54

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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.