Finding the Fourth Proportional to 14,272,780.07, 19,696,455.97 and 7,746,409.62
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Solution
The fourth proportional to 14,272,780.07, 19,696,455.97 and 7,746,409.62 is: 10,690,055.85
Step by Step Solution
- Step 1: Write the proportion equation
14,272,780.07 : 19,696,455.97 = 7,746,409.62 : x - Step 2: Convert to fraction form
14,272,780.07/19,696,455.97 = 7,746,409.62/x - Step 3: Cross multiply
14,272,780.07x = 19,696,455.97 × 7,746,409.62 - Step 4: Simplify right side
14,272,780.07x = 152,576,816,113,221.31 - Step 5: Solve for x
x = 152,576,816,113,221.31/14,272,780.07 - Step 6: Final answer
x = 10,690,055.85
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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.