Finding the Fourth Proportional to 16,563,039.80, 22,857,539.74 and 9,121,495.28
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Solution
The fourth proportional to 16,563,039.80, 22,857,539.74 and 9,121,495.28 is: 12,587,963.52
Step by Step Solution
- Step 1: Write the proportion equation
16,563,039.80 : 22,857,539.74 = 9,121,495.28 : x - Step 2: Convert to fraction form
16,563,039.80/22,857,539.74 = 9,121,495.28/x - Step 3: Cross multiply
16,563,039.80x = 22,857,539.74 × 9,121,495.28 - Step 4: Simplify right side
16,563,039.80x = 208,494,940,850,822.41 - Step 5: Solve for x
x = 208,494,940,850,822.41/16,563,039.80 - Step 6: Final answer
x = 12,587,963.52
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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.