Finding the Fourth Proportional to 7,254,209.26, 10,010,808.45 and 3,990,953.99
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Solution
The fourth proportional to 7,254,209.26, 10,010,808.45 and 3,990,953.99 is: 5,507,516.33
Step by Step Solution
- Step 1: Write the proportion equation
7,254,209.26 : 10,010,808.45 = 3,990,953.99 : x - Step 2: Convert to fraction form
7,254,209.26/10,010,808.45 = 3,990,953.99/x - Step 3: Cross multiply
7,254,209.26x = 10,010,808.45 × 3,990,953.99 - Step 4: Simplify right side
7,254,209.26x = 39,952,675,926,653.21 - Step 5: Solve for x
x = 39,952,675,926,653.21/7,254,209.26 - Step 6: Final answer
x = 5,507,516.33
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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.