Finding the Fourth Proportional to 11,266,067.56, 15,547,176.84 and 6,109,427.56
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Solution
The fourth proportional to 11,266,067.56, 15,547,176.84 and 6,109,427.56 is: 8,431,011.99
Step by Step Solution
- Step 1: Write the proportion equation
11,266,067.56 : 15,547,176.84 = 6,109,427.56 : x - Step 2: Convert to fraction form
11,266,067.56/15,547,176.84 = 6,109,427.56/x - Step 3: Cross multiply
11,266,067.56x = 15,547,176.84 × 6,109,427.56 - Step 4: Simplify right side
11,266,067.56x = 94,984,350,666,489.70 - Step 5: Solve for x
x = 94,984,350,666,489.70/11,266,067.56 - Step 6: Final answer
x = 8,431,011.99
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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.