Home / 12,085,879.16-18,124,230.90-3,996,428.60

Finding the Fourth Proportional to 12,085,879.16, 18,124,230.90 and 3,996,428.60

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Solution

The fourth proportional to 12,085,879.16, 18,124,230.90 and 3,996,428.60 is: 5,993,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,879.16 : 18,124,230.90 = 3,996,428.60 : x
  2. Step 2: Convert to fraction form
    12,085,879.16/18,124,230.90 = 3,996,428.60/x
  3. Step 3: Cross multiply
    12,085,879.16x = 18,124,230.90 × 3,996,428.60
  4. Step 4: Simplify right side
    12,085,879.16x = 72,432,194,721,763.73
  5. Step 5: Solve for x
    x = 72,432,194,721,763.73/12,085,879.16
  6. Step 6: Final answer
    x = 5,993,125.84

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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.