Finding the Fourth Proportional to 22,903,029.68, 31,606,573.56 and 12,590,187.44
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Solution
The fourth proportional to 22,903,029.68, 31,606,573.56 and 12,590,187.44 is: 17,374,674.49
Step by Step Solution
- Step 1: Write the proportion equation
22,903,029.68 : 31,606,573.56 = 12,590,187.44 : x - Step 2: Convert to fraction form
22,903,029.68/31,606,573.56 = 12,590,187.44/x - Step 3: Cross multiply
22,903,029.68x = 31,606,573.56 × 12,590,187.44 - Step 4: Simplify right side
22,903,029.68x = 397,932,685,456,548.06 - Step 5: Solve for x
x = 397,932,685,456,548.06/22,903,029.68 - Step 6: Final answer
x = 17,374,674.49
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1.5x scale
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.