Finding the Fourth Proportional to 19,115,365.68, 26,379,252.76 and 10,413,601.68
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Solution
The fourth proportional to 19,115,365.68, 26,379,252.76 and 10,413,601.68 is: 14,370,796.53
Step by Step Solution
- Step 1: Write the proportion equation
19,115,365.68 : 26,379,252.76 = 10,413,601.68 : x - Step 2: Convert to fraction form
19,115,365.68/26,379,252.76 = 10,413,601.68/x - Step 3: Cross multiply
19,115,365.68x = 26,379,252.76 × 10,413,601.68 - Step 4: Simplify right side
19,115,365.68x = 274,703,030,858,680.66 - Step 5: Solve for x
x = 274,703,030,858,680.66/19,115,365.68 - Step 6: Final answer
x = 14,370,796.53
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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.