Finding the Fourth Proportional to 11,201,772.49, 15,457,168.31 and 6,306,868.71
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Solution
The fourth proportional to 11,201,772.49, 15,457,168.31 and 6,306,868.71 is: 8,702,759.43
Step by Step Solution
- Step 1: Write the proportion equation
11,201,772.49 : 15,457,168.31 = 6,306,868.71 : x - Step 2: Convert to fraction form
11,201,772.49/15,457,168.31 = 6,306,868.71/x - Step 3: Cross multiply
11,201,772.49x = 15,457,168.31 × 6,306,868.71 - Step 4: Simplify right side
11,201,772.49x = 97,486,331,128,008.23 - Step 5: Solve for x
x = 97,486,331,128,008.23/11,201,772.49 - Step 6: Final answer
x = 8,702,759.43
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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.