Finding the Fourth Proportional to 14,270,616, 19,693,237.12 and 8,390,914.56
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Solution
The fourth proportional to 14,270,616, 19,693,237.12 and 8,390,914.56 is: 11,579,336.88
Step by Step Solution
- Step 1: Write the proportion equation
14,270,616 : 19,693,237.12 = 8,390,914.56 : x - Step 2: Convert to fraction form
14,270,616/19,693,237.12 = 8,390,914.56/x - Step 3: Cross multiply
14,270,616x = 19,693,237.12 × 8,390,914.56 - Step 4: Simplify right side
14,270,616x = 165,244,270,083,740.50 - Step 5: Solve for x
x = 165,244,270,083,740.50/14,270,616 - Step 6: Final answer
x = 11,579,336.88
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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.