Finding the Fourth Proportional to 12,217,513.97, 16,860,460.35 and 6,711,004.16
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Solution
The fourth proportional to 12,217,513.97, 16,860,460.35 and 6,711,004.16 is: 9,261,345.62
Step by Step Solution
- Step 1: Write the proportion equation
12,217,513.97 : 16,860,460.35 = 6,711,004.16 : x - Step 2: Convert to fraction form
12,217,513.97/16,860,460.35 = 6,711,004.16/x - Step 3: Cross multiply
12,217,513.97x = 16,860,460.35 × 6,711,004.16 - Step 4: Simplify right side
12,217,513.97x = 113,150,619,464,062.77 - Step 5: Solve for x
x = 113,150,619,464,062.77/12,217,513.97 - Step 6: Final answer
x = 9,261,345.62
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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.