Finding the Fourth Proportional to 14,391,299.94, 19,859,995.98 and 8,196,923.76
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Solution
The fourth proportional to 14,391,299.94, 19,859,995.98 and 8,196,923.76 is: 11,311,755.96
Step by Step Solution
- Step 1: Write the proportion equation
14,391,299.94 : 19,859,995.98 = 8,196,923.76 : x - Step 2: Convert to fraction form
14,391,299.94/19,859,995.98 = 8,196,923.76/x - Step 3: Cross multiply
14,391,299.94x = 19,859,995.98 × 8,196,923.76 - Step 4: Simplify right side
14,391,299.94x = 162,790,872,921,966.47 - Step 5: Solve for x
x = 162,790,872,921,966.47/14,391,299.94 - Step 6: Final answer
x = 11,311,755.96
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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.