Finding the Fourth Proportional to 7,147,637.99, 9,863,816.46 and 3,884,452.66
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Solution
The fourth proportional to 7,147,637.99, 9,863,816.46 and 3,884,452.66 is: 5,360,585.98
Step by Step Solution
- Step 1: Write the proportion equation
7,147,637.99 : 9,863,816.46 = 3,884,452.66 : x - Step 2: Convert to fraction form
7,147,637.99/9,863,816.46 = 3,884,452.66/x - Step 3: Cross multiply
7,147,637.99x = 9,863,816.46 × 3,884,452.66 - Step 4: Simplify right side
7,147,637.99x = 38,315,528,049,927.93 - Step 5: Solve for x
x = 38,315,528,049,927.93/7,147,637.99 - Step 6: Final answer
x = 5,360,585.98
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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.