Home / 11,518,997.51-17,271,811.53-5,453,678.32

Finding the Fourth Proportional to 11,518,997.51, 17,271,811.53 and 5,453,678.32

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Solution

The fourth proportional to 11,518,997.51, 17,271,811.53 and 5,453,678.32 is: 8,177,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,997.51 : 17,271,811.53 = 5,453,678.32 : x
  2. Step 2: Convert to fraction form
    11,518,997.51/17,271,811.53 = 5,453,678.32/x
  3. Step 3: Cross multiply
    11,518,997.51x = 17,271,811.53 × 5,453,678.32
  4. Step 4: Simplify right side
    11,518,997.51x = 94,194,904,045,107.50
  5. Step 5: Solve for x
    x = 94,194,904,045,107.50/11,518,997.51
  6. Step 6: Final answer
    x = 8,177,352.58

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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.