Finding the Fourth Proportional to 14,469,531.29, 19,967,219.88 and 8,589,416.82
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Solution
The fourth proportional to 14,469,531.29, 19,967,219.88 and 8,589,416.82 is: 11,852,959.91
Step by Step Solution
- Step 1: Write the proportion equation
14,469,531.29 : 19,967,219.88 = 8,589,416.82 : x - Step 2: Convert to fraction form
14,469,531.29/19,967,219.88 = 8,589,416.82/x - Step 3: Cross multiply
14,469,531.29x = 19,967,219.88 × 8,589,416.82 - Step 4: Simplify right side
14,469,531.29x = 171,506,774,285,910.38 - Step 5: Solve for x
x = 171,506,774,285,910.38/14,469,531.29 - Step 6: Final answer
x = 11,852,959.91
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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.