Finding the Fourth Proportional to 18,045,331.23, 27,067,547.25 and 5,265,946.65
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Solution
The fourth proportional to 18,045,331.23, 27,067,547.25 and 5,265,946.65 is: 7,898,788.78
Step by Step Solution
- Step 1: Write the proportion equation
18,045,331.23 : 27,067,547.25 = 5,265,946.65 : x - Step 2: Convert to fraction form
18,045,331.23/27,067,547.25 = 5,265,946.65/x - Step 3: Cross multiply
18,045,331.23x = 27,067,547.25 × 5,265,946.65 - Step 4: Simplify right side
18,045,331.23x = 142,536,259,764,854.22 - Step 5: Solve for x
x = 142,536,259,764,854.22/18,045,331.23 - Step 6: Final answer
x = 7,898,788.78
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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.