Home / 12,886,522.40-19,335,313.20-6,582,778.40

Finding the Fourth Proportional to 12,886,522.40, 19,335,313.20 and 6,582,778.40

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Solution

The fourth proportional to 12,886,522.40, 19,335,313.20 and 6,582,778.40 is: 9,876,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,522.40 : 19,335,313.20 = 6,582,778.40 : x
  2. Step 2: Convert to fraction form
    12,886,522.40/19,335,313.20 = 6,582,778.40/x
  3. Step 3: Cross multiply
    12,886,522.40x = 19,335,313.20 × 6,582,778.40
  4. Step 4: Simplify right side
    12,886,522.40x = 127,280,082,090,194.88
  5. Step 5: Solve for x
    x = 127,280,082,090,194.88/12,886,522.40
  6. Step 6: Final answer
    x = 9,876,992.27

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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.