Home / 13,422,499.96-20,118,132.04-7,669,263.84

Finding the Fourth Proportional to 13,422,499.96, 20,118,132.04 and 7,669,263.84

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Solution

The fourth proportional to 13,422,499.96, 20,118,132.04 and 7,669,263.84 is: 11,494,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,499.96 : 20,118,132.04 = 7,669,263.84 : x
  2. Step 2: Convert to fraction form
    13,422,499.96/20,118,132.04 = 7,669,263.84/x
  3. Step 3: Cross multiply
    13,422,499.96x = 20,118,132.04 × 7,669,263.84
  4. Step 4: Simplify right side
    13,422,499.96x = 154,291,262,582,717.44
  5. Step 5: Solve for x
    x = 154,291,262,582,717.44/13,422,499.96
  6. Step 6: Final answer
    x = 11,494,972.10

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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.