Finding the Fourth Proportional to 11,880,115.18, 16,394,565.66 and 6,447,607.18
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Solution
The fourth proportional to 11,880,115.18, 16,394,565.66 and 6,447,607.18 is: 8,897,701.55
Step by Step Solution
- Step 1: Write the proportion equation
11,880,115.18 : 16,394,565.66 = 6,447,607.18 : x - Step 2: Convert to fraction form
11,880,115.18/16,394,565.66 = 6,447,607.18/x - Step 3: Cross multiply
11,880,115.18x = 16,394,565.66 × 6,447,607.18 - Step 4: Simplify right side
11,880,115.18x = 105,705,719,262,397.44 - Step 5: Solve for x
x = 105,705,719,262,397.44/11,880,115.18 - Step 6: Final answer
x = 8,897,701.55
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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.