Finding the Fourth Proportional to 11,395,723.42, 15,726,091.08 and 6,239,083.60
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Solution
The fourth proportional to 11,395,723.42, 15,726,091.08 and 6,239,083.60 is: 8,609,931.40
Step by Step Solution
- Step 1: Write the proportion equation
11,395,723.42 : 15,726,091.08 = 6,239,083.60 : x - Step 2: Convert to fraction form
11,395,723.42/15,726,091.08 = 6,239,083.60/x - Step 3: Cross multiply
11,395,723.42x = 15,726,091.08 × 6,239,083.60 - Step 4: Simplify right side
11,395,723.42x = 98,116,396,949,334.28 - Step 5: Solve for x
x = 98,116,396,949,334.28/11,395,723.42 - Step 6: Final answer
x = 8,609,931.40
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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.