Finding the Fourth Proportional to 8,042,642.99, 11,098,921.62 and 4,371,568.20
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Solution
The fourth proportional to 8,042,642.99, 11,098,921.62 and 4,371,568.20 is: 6,032,804.50
Step by Step Solution
- Step 1: Write the proportion equation
8,042,642.99 : 11,098,921.62 = 4,371,568.20 : x - Step 2: Convert to fraction form
8,042,642.99/11,098,921.62 = 4,371,568.20/x - Step 3: Cross multiply
8,042,642.99x = 11,098,921.62 × 4,371,568.20 - Step 4: Simplify right side
8,042,642.99x = 48,519,692,808,284.48 - Step 5: Solve for x
x = 48,519,692,808,284.48/8,042,642.99 - Step 6: Final answer
x = 6,032,804.50
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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.