Finding the Fourth Proportional to 14,223,275.47, 19,628,120.22 and 7,696,904.99
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Solution
The fourth proportional to 14,223,275.47, 19,628,120.22 and 7,696,904.99 is: 10,621,728.93
Step by Step Solution
- Step 1: Write the proportion equation
14,223,275.47 : 19,628,120.22 = 7,696,904.99 : x - Step 2: Convert to fraction form
14,223,275.47/19,628,120.22 = 7,696,904.99/x - Step 3: Cross multiply
14,223,275.47x = 19,628,120.22 × 7,696,904.99 - Step 4: Simplify right side
14,223,275.47x = 151,075,776,427,153.38 - Step 5: Solve for x
x = 151,075,776,427,153.38/14,223,275.47 - Step 6: Final answer
x = 10,621,728.93
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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.