Finding the Fourth Proportional to 19,616,398.68, 27,070,205.96 and 11,356,809.24
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Solution
The fourth proportional to 19,616,398.68, 27,070,205.96 and 11,356,809.24 is: 15,672,151.15
Step by Step Solution
- Step 1: Write the proportion equation
19,616,398.68 : 27,070,205.96 = 11,356,809.24 : x - Step 2: Convert to fraction form
19,616,398.68/27,070,205.96 = 11,356,809.24/x - Step 3: Cross multiply
19,616,398.68x = 27,070,205.96 × 11,356,809.24 - Step 4: Simplify right side
19,616,398.68x = 307,431,165,175,231.06 - Step 5: Solve for x
x = 307,431,165,175,231.06/19,616,398.68 - Step 6: Final answer
x = 15,672,151.15
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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.