Finding the Fourth Proportional to 11,486,780.06, 15,851,756.49 and 6,330,141.61
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Solution
The fourth proportional to 11,486,780.06, 15,851,756.49 and 6,330,141.61 is: 8,735,595.43
Step by Step Solution
- Step 1: Write the proportion equation
11,486,780.06 : 15,851,756.49 = 6,330,141.61 : x - Step 2: Convert to fraction form
11,486,780.06/15,851,756.49 = 6,330,141.61/x - Step 3: Cross multiply
11,486,780.06x = 15,851,756.49 × 6,330,141.61 - Step 4: Simplify right side
11,486,780.06x = 100,343,863,348,936.56 - Step 5: Solve for x
x = 100,343,863,348,936.56/11,486,780.06 - Step 6: Final answer
x = 8,735,595.43
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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.