Finding the Fourth Proportional to 11,867,124.19, 16,376,953.40 and 6,711,256.75
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Solution
The fourth proportional to 11,867,124.19, 16,376,953.40 and 6,711,256.75 is: 9,261,716.43
Step by Step Solution
- Step 1: Write the proportion equation
11,867,124.19 : 16,376,953.40 = 6,711,256.75 : x - Step 2: Convert to fraction form
11,867,124.19/16,376,953.40 = 6,711,256.75/x - Step 3: Cross multiply
11,867,124.19x = 16,376,953.40 × 6,711,256.75 - Step 4: Simplify right side
11,867,124.19x = 109,909,939,050,185.45 - Step 5: Solve for x
x = 109,909,939,050,185.45/11,867,124.19 - Step 6: Final answer
x = 9,261,716.43
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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.