Home / 13,343,891.12-20,008,642.26-7,199,166.32

Finding the Fourth Proportional to 13,343,891.12, 20,008,642.26 and 7,199,166.32

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Solution

The fourth proportional to 13,343,891.12, 20,008,642.26 and 7,199,166.32 is: 10,794,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343,891.12 : 20,008,642.26 = 7,199,166.32 : x
  2. Step 2: Convert to fraction form
    13,343,891.12/20,008,642.26 = 7,199,166.32/x
  3. Step 3: Cross multiply
    13,343,891.12x = 20,008,642.26 × 7,199,166.32
  4. Step 4: Simplify right side
    13,343,891.12x = 144,045,543,467,120.69
  5. Step 5: Solve for x
    x = 144,045,543,467,120.69/13,343,891.12
  6. Step 6: Final answer
    x = 10,794,868.02

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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.