Finding the Fourth Proportional to 8,403,387.98, 12,605,528.90 and 2,646,571.81
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Solution
The fourth proportional to 8,403,387.98, 12,605,528.90 and 2,646,571.81 is: 3,969,998.47
Step by Step Solution
- Step 1: Write the proportion equation
8,403,387.98 : 12,605,528.90 = 2,646,571.81 : x - Step 2: Convert to fraction form
8,403,387.98/12,605,528.90 = 2,646,571.81/x - Step 3: Cross multiply
8,403,387.98x = 12,605,528.90 × 2,646,571.81 - Step 4: Simplify right side
8,403,387.98x = 33,361,437,420,731.32 - Step 5: Solve for x
x = 33,361,437,420,731.32/8,403,387.98 - Step 6: Final answer
x = 3,969,998.47
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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.