Finding the Fourth Proportional to 13,696,285.48, 18,901,468.09 and 7,584,713.98
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Solution
The fourth proportional to 13,696,285.48, 18,901,468.09 and 7,584,713.98 is: 10,467,234.31
Step by Step Solution
- Step 1: Write the proportion equation
13,696,285.48 : 18,901,468.09 = 7,584,713.98 : x - Step 2: Convert to fraction form
13,696,285.48/18,901,468.09 = 7,584,713.98/x - Step 3: Cross multiply
13,696,285.48x = 18,901,468.09 × 7,584,713.98 - Step 4: Simplify right side
13,696,285.48x = 143,362,229,264,746.91 - Step 5: Solve for x
x = 143,362,229,264,746.91/13,696,285.48 - Step 6: Final answer
x = 10,467,234.31
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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.