Home / 8,421,190.98-12,632,245.44-2,663,494.32

Finding the Fourth Proportional to 8,421,190.98, 12,632,245.44 and 2,663,494.32

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Solution

The fourth proportional to 8,421,190.98, 12,632,245.44 and 2,663,494.32 is: 3,995,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,190.98 : 12,632,245.44 = 2,663,494.32 : x
  2. Step 2: Convert to fraction form
    8,421,190.98/12,632,245.44 = 2,663,494.32/x
  3. Step 3: Cross multiply
    8,421,190.98x = 12,632,245.44 × 2,663,494.32
  4. Step 4: Simplify right side
    8,421,190.98x = 33,645,913,978,285.90
  5. Step 5: Solve for x
    x = 33,645,913,978,285.90/8,421,190.98
  6. Step 6: Final answer
    x = 3,995,386.65

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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.