Finding the Fourth Proportional to 14,272,794.64, 19,696,476.09 and 7,746,424.21
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Solution
The fourth proportional to 14,272,794.64, 19,696,476.09 and 7,746,424.21 is: 10,690,075.99
Step by Step Solution
- Step 1: Write the proportion equation
14,272,794.64 : 19,696,476.09 = 7,746,424.21 : x - Step 2: Convert to fraction form
14,272,794.64/19,696,476.09 = 7,746,424.21/x - Step 3: Cross multiply
14,272,794.64x = 19,696,476.09 × 7,746,424.21 - Step 4: Simplify right side
14,272,794.64x = 152,577,259,235,262.12 - Step 5: Solve for x
x = 152,577,259,235,262.12/14,272,794.64 - Step 6: Final answer
x = 10,690,075.99
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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.