Finding the Fourth Proportional to 15,331,810.26, 21,158,147.58 and 8,362,486.02
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Solution
The fourth proportional to 15,331,810.26, 21,158,147.58 and 8,362,486.02 is: 11,540,366.75
Step by Step Solution
- Step 1: Write the proportion equation
15,331,810.26 : 21,158,147.58 = 8,362,486.02 : x - Step 2: Convert to fraction form
15,331,810.26/21,158,147.58 = 8,362,486.02/x - Step 3: Cross multiply
15,331,810.26x = 21,158,147.58 × 8,362,486.02 - Step 4: Simplify right side
15,331,810.26x = 176,934,713,322,854.97 - Step 5: Solve for x
x = 176,934,713,322,854.97/15,331,810.26 - Step 6: Final answer
x = 11,540,366.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.