Finding the Fourth Proportional to 22,413,320.08, 30,938,121.39 and 13,123,876.26
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Solution
The fourth proportional to 22,413,320.08, 30,938,121.39 and 13,123,876.26 is: 18,115,481.12
Step by Step Solution
- Step 1: Write the proportion equation
22,413,320.08 : 30,938,121.39 = 13,123,876.26 : x - Step 2: Convert to fraction form
22,413,320.08/30,938,121.39 = 13,123,876.26/x - Step 3: Cross multiply
22,413,320.08x = 30,938,121.39 × 13,123,876.26 - Step 4: Simplify right side
22,413,320.08x = 406,028,076,839,219.19 - Step 5: Solve for x
x = 406,028,076,839,219.19/22,413,320.08 - Step 6: Final answer
x = 18,115,481.12
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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.