Finding the Fourth Proportional to 14,223,274.21, 19,628,118.48 and 7,696,903.74
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Solution
The fourth proportional to 14,223,274.21, 19,628,118.48 and 7,696,903.74 is: 10,621,727.20
Step by Step Solution
- Step 1: Write the proportion equation
14,223,274.21 : 19,628,118.48 = 7,696,903.74 : x - Step 2: Convert to fraction form
14,223,274.21/19,628,118.48 = 7,696,903.74/x - Step 3: Cross multiply
14,223,274.21x = 19,628,118.48 × 7,696,903.74 - Step 4: Simplify right side
14,223,274.21x = 151,075,738,493,133.06 - Step 5: Solve for x
x = 151,075,738,493,133.06/14,223,274.21 - Step 6: Final answer
x = 10,621,727.20
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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.