Finding the Fourth Proportional to 12,452,447.40, 18,683,336.70 and 4,884,844.20
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Solution
The fourth proportional to 12,452,447.40, 18,683,336.70 and 4,884,844.20 is: 7,329,096.52
Step by Step Solution
- Step 1: Write the proportion equation
12,452,447.40 : 18,683,336.70 = 4,884,844.20 : x - Step 2: Convert to fraction form
12,452,447.40/18,683,336.70 = 4,884,844.20/x - Step 3: Cross multiply
12,452,447.40x = 18,683,336.70 × 4,884,844.20 - Step 4: Simplify right side
12,452,447.40x = 91,265,188,915,642.14 - Step 5: Solve for x
x = 91,265,188,915,642.14/12,452,447.40 - Step 6: Final answer
x = 7,329,096.52
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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.