Home / 19,201,643.37-26,485,781.99-12,315,217.77

Finding the Fourth Proportional to 19,201,643.37, 26,485,781.99 and 12,315,217.77

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Solution

The fourth proportional to 19,201,643.37, 26,485,781.99 and 12,315,217.77 is: 16,986,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,643.37 : 26,485,781.99 = 12,315,217.77 : x
  2. Step 2: Convert to fraction form
    19,201,643.37/26,485,781.99 = 12,315,217.77/x
  3. Step 3: Cross multiply
    19,201,643.37x = 26,485,781.99 × 12,315,217.77
  4. Step 4: Simplify right side
    19,201,643.37x = 326,178,172,954,017.88
  5. Step 5: Solve for x
    x = 326,178,172,954,017.88/19,201,643.37
  6. Step 6: Final answer
    x = 16,986,992.55

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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.