Finding the Fourth Proportional to 21,703,135.79, 32,547,847.17 and 7,127,653.56
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Solution
The fourth proportional to 21,703,135.79, 32,547,847.17 and 7,127,653.56 is: 10,689,228.55
Step by Step Solution
- Step 1: Write the proportion equation
21,703,135.79 : 32,547,847.17 = 7,127,653.56 : x - Step 2: Convert to fraction form
21,703,135.79/32,547,847.17 = 7,127,653.56/x - Step 3: Cross multiply
21,703,135.79x = 32,547,847.17 × 7,127,653.56 - Step 4: Simplify right side
21,703,135.79x = 231,989,778,751,586.44 - Step 5: Solve for x
x = 231,989,778,751,586.44/21,703,135.79 - Step 6: Final answer
x = 10,689,228.55
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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.