Finding the Fourth Proportional to 14,215,637.09, 19,615,893.32 and 8,020,322.62
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Solution
The fourth proportional to 14,215,637.09, 19,615,893.32 and 8,020,322.62 is: 11,067,094.06
Step by Step Solution
- Step 1: Write the proportion equation
14,215,637.09 : 19,615,893.32 = 8,020,322.62 : x - Step 2: Convert to fraction form
14,215,637.09/19,615,893.32 = 8,020,322.62/x - Step 3: Cross multiply
14,215,637.09x = 19,615,893.32 × 8,020,322.62 - Step 4: Simplify right side
14,215,637.09x = 157,325,792,876,913.97 - Step 5: Solve for x
x = 157,325,792,876,913.97/14,215,637.09 - Step 6: Final answer
x = 11,067,094.06
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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.