Finding the Fourth Proportional to 13,635,896.16, 18,817,935.98 and 7,441,342.02
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Solution
The fourth proportional to 13,635,896.16, 18,817,935.98 and 7,441,342.02 is: 10,269,269.89
Step by Step Solution
- Step 1: Write the proportion equation
13,635,896.16 : 18,817,935.98 = 7,441,342.02 : x - Step 2: Convert to fraction form
13,635,896.16/18,817,935.98 = 7,441,342.02/x - Step 3: Cross multiply
13,635,896.16x = 18,817,935.98 × 7,441,342.02 - Step 4: Simplify right side
13,635,896.16x = 140,030,697,853,075.17 - Step 5: Solve for x
x = 140,030,697,853,075.17/13,635,896.16 - Step 6: Final answer
x = 10,269,269.89
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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.