Finding the Fourth Proportional to 15,662,639.18, 23,517,021.51 and 8,759,643.08
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Solution
The fourth proportional to 15,662,639.18, 23,517,021.51 and 8,759,643.08 is: 13,152,362.92
Step by Step Solution
- Step 1: Write the proportion equation
15,662,639.18 : 23,517,021.51 = 8,759,643.08 : x - Step 2: Convert to fraction form
15,662,639.18/23,517,021.51 = 8,759,643.08/x - Step 3: Cross multiply
15,662,639.18x = 23,517,021.51 × 8,759,643.08 - Step 4: Simplify right side
15,662,639.18x = 206,000,714,791,075.22 - Step 5: Solve for x
x = 206,000,714,791,075.22/15,662,639.18 - Step 6: Final answer
x = 13,152,362.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.