Finding the Fourth Proportional to 18,442,699.80, 27,681,764.40 and 9,355,058.70
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Solution
The fourth proportional to 18,442,699.80, 27,681,764.40 and 9,355,058.70 is: 14,041,573.83
Step by Step Solution
- Step 1: Write the proportion equation
18,442,699.80 : 27,681,764.40 = 9,355,058.70 : x - Step 2: Convert to fraction form
18,442,699.80/27,681,764.40 = 9,355,058.70/x - Step 3: Cross multiply
18,442,699.80x = 27,681,764.40 × 9,355,058.70 - Step 4: Simplify right side
18,442,699.80x = 258,964,530,881,570.25 - Step 5: Solve for x
x = 258,964,530,881,570.25/18,442,699.80 - Step 6: Final answer
x = 14,041,573.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.