Finding the Fourth Proportional to 19,115,366.68, 26,379,254.14 and 10,413,602.68
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Solution
The fourth proportional to 19,115,366.68, 26,379,254.14 and 10,413,602.68 is: 14,370,797.91
Step by Step Solution
- Step 1: Write the proportion equation
19,115,366.68 : 26,379,254.14 = 10,413,602.68 : x - Step 2: Convert to fraction form
19,115,366.68/26,379,254.14 = 10,413,602.68/x - Step 3: Cross multiply
19,115,366.68x = 26,379,254.14 × 10,413,602.68 - Step 4: Simplify right side
19,115,366.68x = 274,703,071,608,705.09 - Step 5: Solve for x
x = 274,703,071,608,705.09/19,115,366.68 - Step 6: Final answer
x = 14,370,797.91
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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.