Finding the Fourth Proportional to 16,251,593.09, 22,427,055.43 and 8,909,292.80
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Solution
The fourth proportional to 16,251,593.09, 22,427,055.43 and 8,909,292.80 is: 12,294,745.66
Step by Step Solution
- Step 1: Write the proportion equation
16,251,593.09 : 22,427,055.43 = 8,909,292.80 : x - Step 2: Convert to fraction form
16,251,593.09/22,427,055.43 = 8,909,292.80/x - Step 3: Cross multiply
16,251,593.09x = 22,427,055.43 × 8,909,292.80 - Step 4: Simplify right side
16,251,593.09x = 199,809,203,501,494.31 - Step 5: Solve for x
x = 199,809,203,501,494.31/16,251,593.09 - Step 6: Final answer
x = 12,294,745.66
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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.