Finding the Fourth Proportional to 19,823,484.42, 27,356,829.66 and 11,122,286.22
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Solution
The fourth proportional to 19,823,484.42, 27,356,829.66 and 11,122,286.22 is: 15,348,991.28
Step by Step Solution
- Step 1: Write the proportion equation
19,823,484.42 : 27,356,829.66 = 11,122,286.22 : x - Step 2: Convert to fraction form
19,823,484.42/27,356,829.66 = 11,122,286.22/x - Step 3: Cross multiply
19,823,484.42x = 27,356,829.66 × 11,122,286.22 - Step 4: Simplify right side
19,823,484.42x = 304,270,489,550,305.31 - Step 5: Solve for x
x = 304,270,489,550,305.31/19,823,484.42 - Step 6: Final answer
x = 15,348,991.28
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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.