Finding the Fourth Proportional to 11,731,521.18, 16,190,133.75 and 6,576,538.62
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Solution
The fourth proportional to 11,731,521.18, 16,190,133.75 and 6,576,538.62 is: 9,075,979.00
Step by Step Solution
- Step 1: Write the proportion equation
11,731,521.18 : 16,190,133.75 = 6,576,538.62 : x - Step 2: Convert to fraction form
11,731,521.18/16,190,133.75 = 6,576,538.62/x - Step 3: Cross multiply
11,731,521.18x = 16,190,133.75 × 6,576,538.62 - Step 4: Simplify right side
11,731,521.18x = 106,475,039,869,840.42 - Step 5: Solve for x
x = 106,475,039,869,840.42/11,731,521.18 - Step 6: Final answer
x = 9,075,979.00
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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.