Finding the Fourth Proportional to 34,226,381.31, 47,232,447.74 and 18,545,393.43
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Solution
The fourth proportional to 34,226,381.31, 47,232,447.74 and 18,545,393.43 is: 25,592,665.43
Step by Step Solution
- Step 1: Write the proportion equation
34,226,381.31 : 47,232,447.74 = 18,545,393.43 : x - Step 2: Convert to fraction form
34,226,381.31/47,232,447.74 = 18,545,393.43/x - Step 3: Cross multiply
34,226,381.31x = 47,232,447.74 × 18,545,393.43 - Step 4: Simplify right side
34,226,381.31x = 875,944,325,907,487.38 - Step 5: Solve for x
x = 875,944,325,907,487.38/34,226,381.31 - Step 6: Final answer
x = 25,592,665.43
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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.