Finding the Fourth Proportional to 16,215,828.57, 22,377,845.16 and 8,873,663.31
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Solution
The fourth proportional to 16,215,828.57, 22,377,845.16 and 8,873,663.31 is: 12,245,656.32
Step by Step Solution
- Step 1: Write the proportion equation
16,215,828.57 : 22,377,845.16 = 8,873,663.31 : x - Step 2: Convert to fraction form
16,215,828.57/22,377,845.16 = 8,873,663.31/x - Step 3: Cross multiply
16,215,828.57x = 22,377,845.16 × 8,873,663.31 - Step 4: Simplify right side
16,215,828.57x = 198,573,463,553,153.09 - Step 5: Solve for x
x = 198,573,463,553,153.09/16,215,828.57 - Step 6: Final answer
x = 12,245,656.32
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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.