Home / 8,421,108.58-11,621,199.34-4,649,292.20

Finding the Fourth Proportional to 8,421,108.58, 11,621,199.34 and 4,649,292.20

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Solution

The fourth proportional to 8,421,108.58, 11,621,199.34 and 4,649,292.20 is: 6,416,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,108.58 : 11,621,199.34 = 4,649,292.20 : x
  2. Step 2: Convert to fraction form
    8,421,108.58/11,621,199.34 = 4,649,292.20/x
  3. Step 3: Cross multiply
    8,421,108.58x = 11,621,199.34 × 4,649,292.20
  4. Step 4: Simplify right side
    8,421,108.58x = 54,030,351,446,107.15
  5. Step 5: Solve for x
    x = 54,030,351,446,107.15/8,421,108.58
  6. Step 6: Final answer
    x = 6,416,061.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.