Finding the Fourth Proportional to 7,887,062.71, 11,851,400.18 and 4,246,484.26
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Solution
The fourth proportional to 7,887,062.71, 11,851,400.18 and 4,246,484.26 is: 6,380,928.65
Step by Step Solution
- Step 1: Write the proportion equation
7,887,062.71 : 11,851,400.18 = 4,246,484.26 : x - Step 2: Convert to fraction form
7,887,062.71/11,851,400.18 = 4,246,484.26/x - Step 3: Cross multiply
7,887,062.71x = 11,851,400.18 × 4,246,484.26 - Step 4: Simplify right side
7,887,062.71x = 50,326,784,359,872.30 - Step 5: Solve for x
x = 50,326,784,359,872.30/7,887,062.71 - Step 6: Final answer
x = 6,380,928.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.