Finding the Fourth Proportional to 33,420,754.96, 46,135,753.95 and 21,049,030.42
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Solution
The fourth proportional to 33,420,754.96, 46,135,753.95 and 21,049,030.42 is: 29,057,179.87
Step by Step Solution
- Step 1: Write the proportion equation
33,420,754.96 : 46,135,753.95 = 21,049,030.42 : x - Step 2: Convert to fraction form
33,420,754.96/46,135,753.95 = 21,049,030.42/x - Step 3: Cross multiply
33,420,754.96x = 46,135,753.95 × 21,049,030.42 - Step 4: Simplify right side
33,420,754.96x = 971,112,888,343,185.25 - Step 5: Solve for x
x = 971,112,888,343,185.25/33,420,754.96 - Step 6: Final answer
x = 29,057,179.87
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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.