Finding the Fourth Proportional to 13,026,167.19, 17,964,349.70 and 8,131,840.47
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Solution
The fourth proportional to 13,026,167.19, 17,964,349.70 and 8,131,840.47 is: 11,214,597.80
Step by Step Solution
- Step 1: Write the proportion equation
13,026,167.19 : 17,964,349.70 = 8,131,840.47 : x - Step 2: Convert to fraction form
13,026,167.19/17,964,349.70 = 8,131,840.47/x - Step 3: Cross multiply
13,026,167.19x = 17,964,349.70 × 8,131,840.47 - Step 4: Simplify right side
13,026,167.19x = 146,083,225,867,033.16 - Step 5: Solve for x
x = 146,083,225,867,033.16/13,026,167.19 - Step 6: Final answer
x = 11,214,597.80
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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.