Home / 12,171,384-18,250,246.08-8,337,539.52

Finding the Fourth Proportional to 12,171,384, 18,250,246.08 and 8,337,539.52

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Solution

The fourth proportional to 12,171,384, 18,250,246.08 and 8,337,539.52 is: 12,501,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,384 : 18,250,246.08 = 8,337,539.52 : x
  2. Step 2: Convert to fraction form
    12,171,384/18,250,246.08 = 8,337,539.52/x
  3. Step 3: Cross multiply
    12,171,384x = 18,250,246.08 × 8,337,539.52
  4. Step 4: Simplify right side
    12,171,384x = 152,162,147,941,725.06
  5. Step 5: Solve for x
    x = 152,162,147,941,725.06/12,171,384
  6. Step 6: Final answer
    x = 12,501,630.71

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1.5x scale

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.