Finding the Fourth Proportional to 12,464,615.75, 18,703,506.47 and 8,844,736.41
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Solution
The fourth proportional to 12,464,615.75, 18,703,506.47 and 8,844,736.41 is: 13,271,775.72
Step by Step Solution
- Step 1: Write the proportion equation
12,464,615.75 : 18,703,506.47 = 8,844,736.41 : x - Step 2: Convert to fraction form
12,464,615.75/18,703,506.47 = 8,844,736.41/x - Step 3: Cross multiply
12,464,615.75x = 18,703,506.47 × 8,844,736.41 - Step 4: Simplify right side
12,464,615.75x = 165,427,584,625,655.91 - Step 5: Solve for x
x = 165,427,584,625,655.91/12,464,615.75 - Step 6: Final answer
x = 13,271,775.72
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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.