Home / 20,280,182-27,986,651.16-11,695,478

Finding the Fourth Proportional to 20,280,182, 27,986,651.16 and 11,695,478

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Solution

The fourth proportional to 20,280,182, 27,986,651.16 and 11,695,478 is: 16,139,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,182 : 27,986,651.16 = 11,695,478 : x
  2. Step 2: Convert to fraction form
    20,280,182/27,986,651.16 = 11,695,478/x
  3. Step 3: Cross multiply
    20,280,182x = 27,986,651.16 × 11,695,478
  4. Step 4: Simplify right side
    20,280,182x = 327,317,262,935,454.50
  5. Step 5: Solve for x
    x = 327,317,262,935,454.50/20,280,182
  6. Step 6: Final answer
    x = 16,139,759.64

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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.