Finding the Fourth Proportional to 18,362,752.32, 27,547,491.49 and 7,574,167.87
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Solution
The fourth proportional to 18,362,752.32, 27,547,491.49 and 7,574,167.87 is: 11,362,638.96
Step by Step Solution
- Step 1: Write the proportion equation
18,362,752.32 : 27,547,491.49 = 7,574,167.87 : x - Step 2: Convert to fraction form
18,362,752.32/27,547,491.49 = 7,574,167.87/x - Step 3: Cross multiply
18,362,752.32x = 27,547,491.49 × 7,574,167.87 - Step 4: Simplify right side
18,362,752.32x = 208,649,324,932,329.59 - Step 5: Solve for x
x = 208,649,324,932,329.59/18,362,752.32 - Step 6: Final answer
x = 11,362,638.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.