Finding the Fourth Proportional to 21,447,044.19, 29,597,119.11 and 11,657,511.41
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Solution
The fourth proportional to 21,447,044.19, 29,597,119.11 and 11,657,511.41 is: 16,087,473.43
Step by Step Solution
- Step 1: Write the proportion equation
21,447,044.19 : 29,597,119.11 = 11,657,511.41 : x - Step 2: Convert to fraction form
21,447,044.19/29,597,119.11 = 11,657,511.41/x - Step 3: Cross multiply
21,447,044.19x = 29,597,119.11 × 11,657,511.41 - Step 4: Simplify right side
21,447,044.19x = 345,028,753,579,968.44 - Step 5: Solve for x
x = 345,028,753,579,968.44/21,447,044.19 - Step 6: Final answer
x = 16,087,473.43
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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.