Finding the Fourth Proportional to 40,314,955.62, 55,639,361.97 and 22,913,916.58
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Solution
The fourth proportional to 40,314,955.62, 55,639,361.97 and 22,913,916.58 is: 31,623,889.43
Step by Step Solution
- Step 1: Write the proportion equation
40,314,955.62 : 55,639,361.97 = 22,913,916.58 : x - Step 2: Convert to fraction form
40,314,955.62/55,639,361.97 = 22,913,916.58/x - Step 3: Cross multiply
40,314,955.62x = 55,639,361.97 × 22,913,916.58 - Step 4: Simplify right side
40,314,955.62x = 1,274,915,698,745,004.25 - Step 5: Solve for x
x = 1,274,915,698,745,004.25/40,314,955.62 - Step 6: Final answer
x = 31,623,889.43
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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.