Finding the Fourth Proportional to 8,378,117.44, 11,561,955.19 and 4,657,297.79
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Solution
The fourth proportional to 8,378,117.44, 11,561,955.19 and 4,657,297.79 is: 6,427,156.07
Step by Step Solution
- Step 1: Write the proportion equation
8,378,117.44 : 11,561,955.19 = 4,657,297.79 : x - Step 2: Convert to fraction form
8,378,117.44/11,561,955.19 = 4,657,297.79/x - Step 3: Cross multiply
8,378,117.44x = 11,561,955.19 × 4,657,297.79 - Step 4: Simplify right side
8,378,117.44x = 53,847,468,371,727.68 - Step 5: Solve for x
x = 53,847,468,371,727.68/8,378,117.44 - Step 6: Final answer
x = 6,427,156.07
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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.