Home / 20,280,192-27,986,664.96-11,695,488

Finding the Fourth Proportional to 20,280,192, 27,986,664.96 and 11,695,488

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Solution

The fourth proportional to 20,280,192, 27,986,664.96 and 11,695,488 is: 16,139,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,192 : 27,986,664.96 = 11,695,488 : x
  2. Step 2: Convert to fraction form
    20,280,192/27,986,664.96 = 11,695,488/x
  3. Step 3: Cross multiply
    20,280,192x = 27,986,664.96 × 11,695,488
  4. Step 4: Simplify right side
    20,280,192x = 327,317,704,199,700.50
  5. Step 5: Solve for x
    x = 327,317,704,199,700.50/20,280,192
  6. Step 6: Final answer
    x = 16,139,773.44

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1.5x scale

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.