Finding the Fourth Proportional to 11,015,946.18, 15,201,703.56 and 6,121,042.58
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Solution
The fourth proportional to 11,015,946.18, 15,201,703.56 and 6,121,042.58 is: 8,446,870.86
Step by Step Solution
- Step 1: Write the proportion equation
11,015,946.18 : 15,201,703.56 = 6,121,042.58 : x - Step 2: Convert to fraction form
11,015,946.18/15,201,703.56 = 6,121,042.58/x - Step 3: Cross multiply
11,015,946.18x = 15,201,703.56 × 6,121,042.58 - Step 4: Simplify right side
11,015,946.18x = 93,050,274,779,297.59 - Step 5: Solve for x
x = 93,050,274,779,297.59/11,015,946.18 - Step 6: Final answer
x = 8,446,870.86
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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.