Finding the Fourth Proportional to 19,623,526.58, 27,079,988.74 and 10,802,906.17
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Solution
The fourth proportional to 19,623,526.58, 27,079,988.74 and 10,802,906.17 is: 14,907,747.39
Step by Step Solution
- Step 1: Write the proportion equation
19,623,526.58 : 27,079,988.74 = 10,802,906.17 : x - Step 2: Convert to fraction form
19,623,526.58/27,079,988.74 = 10,802,906.17/x - Step 3: Cross multiply
19,623,526.58x = 27,079,988.74 × 10,802,906.17 - Step 4: Simplify right side
19,623,526.58x = 292,542,577,253,462 - Step 5: Solve for x
x = 292,542,577,253,462/19,623,526.58 - Step 6: Final answer
x = 14,907,747.39
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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.