Finding the Fourth Proportional to 19,683,582.12, 29,538,551.34 and 8,169,058.98
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Solution
The fourth proportional to 19,683,582.12, 29,538,551.34 and 8,169,058.98 is: 12,259,057.66
Step by Step Solution
- Step 1: Write the proportion equation
19,683,582.12 : 29,538,551.34 = 8,169,058.98 : x - Step 2: Convert to fraction form
19,683,582.12/29,538,551.34 = 8,169,058.98/x - Step 3: Cross multiply
19,683,582.12x = 29,538,551.34 × 8,169,058.98 - Step 4: Simplify right side
19,683,582.12x = 241,302,168,080,218.03 - Step 5: Solve for x
x = 241,302,168,080,218.03/19,683,582.12 - Step 6: Final answer
x = 12,259,057.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.