Finding the Fourth Proportional to 15,466,141.42, 21,343,283.38 and 8,497,268.20
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Solution
The fourth proportional to 15,466,141.42, 21,343,283.38 and 8,497,268.20 is: 11,726,234.63
Step by Step Solution
- Step 1: Write the proportion equation
15,466,141.42 : 21,343,283.38 = 8,497,268.20 : x - Step 2: Convert to fraction form
15,466,141.42/21,343,283.38 = 8,497,268.20/x - Step 3: Cross multiply
15,466,141.42x = 21,343,283.38 × 8,497,268.20 - Step 4: Simplify right side
15,466,141.42x = 181,359,603,017,901.59 - Step 5: Solve for x
x = 181,359,603,017,901.59/15,466,141.42 - Step 6: Final answer
x = 11,726,234.63
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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.