Finding the Fourth Proportional to 40,351,395.49, 55,680,326.88 and 22,706,889.99
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Solution
The fourth proportional to 40,351,395.49, 55,680,326.88 and 22,706,889.99 is: 31,332,920.25
Step by Step Solution
- Step 1: Write the proportion equation
40,351,395.49 : 55,680,326.88 = 22,706,889.99 : x - Step 2: Convert to fraction form
40,351,395.49/55,680,326.88 = 22,706,889.99/x - Step 3: Cross multiply
40,351,395.49x = 55,680,326.88 × 22,706,889.99 - Step 4: Simplify right side
40,351,395.49x = 1,264,327,056,777,447.75 - Step 5: Solve for x
x = 1,264,327,056,777,447.75/40,351,395.49 - Step 6: Final answer
x = 31,332,920.25
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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.