Finding the Fourth Proportional to 9,866,913.26, 14,793,634.62 and 5,256,588.78
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Solution
The fourth proportional to 9,866,913.26, 14,793,634.62 and 5,256,588.78 is: 7,881,294.96
Step by Step Solution
- Step 1: Write the proportion equation
9,866,913.26 : 14,793,634.62 = 5,256,588.78 : x - Step 2: Convert to fraction form
9,866,913.26/14,793,634.62 = 5,256,588.78/x - Step 3: Cross multiply
9,866,913.26x = 14,793,634.62 × 5,256,588.78 - Step 4: Simplify right side
9,866,913.26x = 77,764,053,758,911.56 - Step 5: Solve for x
x = 77,764,053,758,911.56/9,866,913.26 - Step 6: Final answer
x = 7,881,294.96
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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.