Finding the Fourth Proportional to 11,911,414.98, 17,867,125.74 and 2,935,966.98
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Solution
The fourth proportional to 11,911,414.98, 17,867,125.74 and 2,935,966.98 is: 4,403,951.28
Step by Step Solution
- Step 1: Write the proportion equation
11,911,414.98 : 17,867,125.74 = 2,935,966.98 : x - Step 2: Convert to fraction form
11,911,414.98/17,867,125.74 = 2,935,966.98/x - Step 3: Cross multiply
11,911,414.98x = 17,867,125.74 × 2,935,966.98 - Step 4: Simplify right side
11,911,414.98x = 52,457,291,200,148.06 - Step 5: Solve for x
x = 52,457,291,200,148.06/11,911,414.98 - Step 6: Final answer
x = 4,403,951.28
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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.