Home / 13,310,168.44-18,368,032.80-7,198,597.12

Finding the Fourth Proportional to 13,310,168.44, 18,368,032.80 and 7,198,597.12

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Solution

The fourth proportional to 13,310,168.44, 18,368,032.80 and 7,198,597.12 is: 9,934,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,168.44 : 18,368,032.80 = 7,198,597.12 : x
  2. Step 2: Convert to fraction form
    13,310,168.44/18,368,032.80 = 7,198,597.12/x
  3. Step 3: Cross multiply
    13,310,168.44x = 18,368,032.80 × 7,198,597.12
  4. Step 4: Simplify right side
    13,310,168.44x = 132,224,068,014,145.55
  5. Step 5: Solve for x
    x = 132,224,068,014,145.55/13,310,168.44
  6. Step 6: Final answer
    x = 9,934,064.22

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Why These Related Problems?

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