Finding the Fourth Proportional to 22,862,907.36, 31,536,460.80 and 13,563,893.88
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Solution
The fourth proportional to 22,862,907.36, 31,536,460.80 and 13,563,893.88 is: 18,709,659.31
Step by Step Solution
- Step 1: Write the proportion equation
22,862,907.36 : 31,536,460.80 = 13,563,893.88 : x - Step 2: Convert to fraction form
22,862,907.36/31,536,460.80 = 13,563,893.88/x - Step 3: Cross multiply
22,862,907.36x = 31,536,460.80 × 13,563,893.88 - Step 4: Simplify right side
22,862,907.36x = 427,757,207,641,979.94 - Step 5: Solve for x
x = 427,757,207,641,979.94/22,862,907.36 - Step 6: Final answer
x = 18,709,659.31
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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.