Finding the Fourth Proportional to 14,351,517.24, 19,806,775.74 and 8,157,494.09
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Solution
The fourth proportional to 14,351,517.24, 19,806,775.74 and 8,157,494.09 is: 11,258,297.87
Step by Step Solution
- Step 1: Write the proportion equation
14,351,517.24 : 19,806,775.74 = 8,157,494.09 : x - Step 2: Convert to fraction form
14,351,517.24/19,806,775.74 = 8,157,494.09/x - Step 3: Cross multiply
14,351,517.24x = 19,806,775.74 × 8,157,494.09 - Step 4: Simplify right side
14,351,517.24x = 161,573,655,941,971.47 - Step 5: Solve for x
x = 161,573,655,941,971.47/14,351,517.24 - Step 6: Final answer
x = 11,258,297.87
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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.