Finding the Fourth Proportional to 21,107,362.44, 29,128,653.38 and 11,814,701.44
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Solution
The fourth proportional to 21,107,362.44, 29,128,653.38 and 11,814,701.44 is: 16,304,564.06
Step by Step Solution
- Step 1: Write the proportion equation
21,107,362.44 : 29,128,653.38 = 11,814,701.44 : x - Step 2: Convert to fraction form
21,107,362.44/29,128,653.38 = 11,814,701.44/x - Step 3: Cross multiply
21,107,362.44x = 29,128,653.38 × 11,814,701.44 - Step 4: Simplify right side
21,107,362.44x = 344,146,343,033,946.81 - Step 5: Solve for x
x = 344,146,343,033,946.81/21,107,362.44 - Step 6: Final answer
x = 16,304,564.06
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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.