Finding the Fourth Proportional to 11,453,880.43, 15,805,948.30 and 6,297,204.43
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Solution
The fourth proportional to 11,453,880.43, 15,805,948.30 and 6,297,204.43 is: 8,689,918.52
Step by Step Solution
- Step 1: Write the proportion equation
11,453,880.43 : 15,805,948.30 = 6,297,204.43 : x - Step 2: Convert to fraction form
11,453,880.43/15,805,948.30 = 6,297,204.43/x - Step 3: Cross multiply
11,453,880.43x = 15,805,948.30 × 6,297,204.43 - Step 4: Simplify right side
11,453,880.43x = 99,533,287,655,110.97 - Step 5: Solve for x
x = 99,533,287,655,110.97/11,453,880.43 - Step 6: Final answer
x = 8,689,918.52
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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.