Finding the Fourth Proportional to 21,091,226.84, 29,105,935.76 and 11,798,952.09
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Solution
The fourth proportional to 21,091,226.84, 29,105,935.76 and 11,798,952.09 is: 16,282,577.78
Step by Step Solution
- Step 1: Write the proportion equation
21,091,226.84 : 29,105,935.76 = 11,798,952.09 : x - Step 2: Convert to fraction form
21,091,226.84/29,105,935.76 = 11,798,952.09/x - Step 3: Cross multiply
21,091,226.84x = 29,105,935.76 × 11,798,952.09 - Step 4: Simplify right side
21,091,226.84x = 343,419,541,483,347.50 - Step 5: Solve for x
x = 343,419,541,483,347.50/21,091,226.84 - Step 6: Final answer
x = 16,282,577.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.