Finding the Fourth Proportional to 14,223,283.18, 19,628,130.78 and 7,696,912.63
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Solution
The fourth proportional to 14,223,283.18, 19,628,130.78 and 7,696,912.63 is: 10,621,739.42
Step by Step Solution
- Step 1: Write the proportion equation
14,223,283.18 : 19,628,130.78 = 7,696,912.63 : x - Step 2: Convert to fraction form
14,223,283.18/19,628,130.78 = 7,696,912.63/x - Step 3: Cross multiply
14,223,283.18x = 19,628,130.78 × 7,696,912.63 - Step 4: Simplify right side
14,223,283.18x = 151,076,007,703,873.75 - Step 5: Solve for x
x = 151,076,007,703,873.75/14,223,283.18 - Step 6: Final answer
x = 10,621,739.42
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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.