Finding the Fourth Proportional to 14,272,795.14, 19,696,476.78 and 7,746,424.71
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Solution
The fourth proportional to 14,272,795.14, 19,696,476.78 and 7,746,424.71 is: 10,690,076.68
Step by Step Solution
- Step 1: Write the proportion equation
14,272,795.14 : 19,696,476.78 = 7,746,424.71 : x - Step 2: Convert to fraction form
14,272,795.14/19,696,476.78 = 7,746,424.71/x - Step 3: Cross multiply
14,272,795.14x = 19,696,476.78 × 7,746,424.71 - Step 4: Simplify right side
14,272,795.14x = 152,577,274,428,533.25 - Step 5: Solve for x
x = 152,577,274,428,533.25/14,272,795.14 - Step 6: Final answer
x = 10,690,076.68
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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.