Finding the Fourth Proportional to 12,959,364.10, 17,883,878.18 and 7,452,478.96
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Solution
The fourth proportional to 12,959,364.10, 17,883,878.18 and 7,452,478.96 is: 10,284,395.50
Step by Step Solution
- Step 1: Write the proportion equation
12,959,364.10 : 17,883,878.18 = 7,452,478.96 : x - Step 2: Convert to fraction form
12,959,364.10/17,883,878.18 = 7,452,478.96/x - Step 3: Cross multiply
12,959,364.10x = 17,883,878.18 × 7,452,478.96 - Step 4: Simplify right side
12,959,364.10x = 133,279,225,859,653.09 - Step 5: Solve for x
x = 133,279,225,859,653.09/12,959,364.10 - Step 6: Final answer
x = 10,284,395.50
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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.