Finding the Fourth Proportional to 21,510,057.87, 32,270,129.87 and 8,556,943.68
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Solution
The fourth proportional to 21,510,057.87, 32,270,129.87 and 8,556,943.68 is: 12,837,421.71
Step by Step Solution
- Step 1: Write the proportion equation
21,510,057.87 : 32,270,129.87 = 8,556,943.68 : x - Step 2: Convert to fraction form
21,510,057.87/32,270,129.87 = 8,556,943.68/x - Step 3: Cross multiply
21,510,057.87x = 32,270,129.87 × 8,556,943.68 - Step 4: Simplify right side
21,510,057.87x = 276,133,683,801,090.97 - Step 5: Solve for x
x = 276,133,683,801,090.97/21,510,057.87 - Step 6: Final answer
x = 12,837,421.71
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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.