Finding the Fourth Proportional to 19,035,745.92, 26,266,557.60 and 10,885,409.28
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Solution
The fourth proportional to 19,035,745.92, 26,266,557.60 and 10,885,409.28 is: 15,020,279.80
Step by Step Solution
- Step 1: Write the proportion equation
19,035,745.92 : 26,266,557.60 = 10,885,409.28 : x - Step 2: Convert to fraction form
19,035,745.92/26,266,557.60 = 10,885,409.28/x - Step 3: Cross multiply
19,035,745.92x = 26,266,557.60 × 10,885,409.28 - Step 4: Simplify right side
19,035,745.92x = 285,922,229,852,694.50 - Step 5: Solve for x
x = 285,922,229,852,694.50/19,035,745.92 - Step 6: Final answer
x = 15,020,279.80
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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.