Finding the Fourth Proportional to 19,540,474.18, 26,965,767.98 and 11,167,704.26
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Solution
The fourth proportional to 19,540,474.18, 26,965,767.98 and 11,167,704.26 is: 15,411,382.51
Step by Step Solution
- Step 1: Write the proportion equation
19,540,474.18 : 26,965,767.98 = 11,167,704.26 : x - Step 2: Convert to fraction form
19,540,474.18/26,965,767.98 = 11,167,704.26/x - Step 3: Cross multiply
19,540,474.18x = 26,965,767.98 × 11,167,704.26 - Step 4: Simplify right side
19,540,474.18x = 301,145,721,948,395.06 - Step 5: Solve for x
x = 301,145,721,948,395.06/19,540,474.18 - Step 6: Final answer
x = 15,411,382.51
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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.