Finding the Fourth Proportional to 12,427,975.99, 17,151,138.97 and 6,921,350.83
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Solution
The fourth proportional to 12,427,975.99, 17,151,138.97 and 6,921,350.83 is: 9,551,760.48
Step by Step Solution
- Step 1: Write the proportion equation
12,427,975.99 : 17,151,138.97 = 6,921,350.83 : x - Step 2: Convert to fraction form
12,427,975.99/17,151,138.97 = 6,921,350.83/x - Step 3: Cross multiply
12,427,975.99x = 17,151,138.97 × 6,921,350.83 - Step 4: Simplify right side
12,427,975.99x = 118,709,049,862,853.56 - Step 5: Solve for x
x = 118,709,049,862,853.56/12,427,975.99 - Step 6: Final answer
x = 9,551,760.48
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1.5x scale
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.