Finding the Fourth Proportional to 33,420,755.71, 46,135,754.99 and 21,049,031.17
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Solution
The fourth proportional to 33,420,755.71, 46,135,754.99 and 21,049,031.17 is: 29,057,180.91
Step by Step Solution
- Step 1: Write the proportion equation
33,420,755.71 : 46,135,754.99 = 21,049,031.17 : x - Step 2: Convert to fraction form
33,420,755.71/46,135,754.99 = 21,049,031.17/x - Step 3: Cross multiply
33,420,755.71x = 46,135,754.99 × 21,049,031.17 - Step 4: Simplify right side
33,420,755.71x = 971,112,944,835,993.12 - Step 5: Solve for x
x = 971,112,944,835,993.12/33,420,755.71 - Step 6: Final answer
x = 29,057,180.91
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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.