Finding the Fourth Proportional to 14,270,497.24, 19,693,299.54 and 8,159,053.72
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Solution
The fourth proportional to 14,270,497.24, 19,693,299.54 and 8,159,053.72 is: 11,259,501.77
Step by Step Solution
- Step 1: Write the proportion equation
14,270,497.24 : 19,693,299.54 = 8,159,053.72 : x - Step 2: Convert to fraction form
14,270,497.24/19,693,299.54 = 8,159,053.72/x - Step 3: Cross multiply
14,270,497.24x = 19,693,299.54 × 8,159,053.72 - Step 4: Simplify right side
14,270,497.24x = 160,678,688,870,911.28 - Step 5: Solve for x
x = 160,678,688,870,911.28/14,270,497.24 - Step 6: Final answer
x = 11,259,501.77
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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.