Finding the Fourth Proportional to 22,427,322.93, 30,949,718.02 and 12,114,045.99
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Solution
The fourth proportional to 22,427,322.93, 30,949,718.02 and 12,114,045.99 is: 16,717,390.15
Step by Step Solution
- Step 1: Write the proportion equation
22,427,322.93 : 30,949,718.02 = 12,114,045.99 : x - Step 2: Convert to fraction form
22,427,322.93/30,949,718.02 = 12,114,045.99/x - Step 3: Cross multiply
22,427,322.93x = 30,949,718.02 × 12,114,045.99 - Step 4: Simplify right side
22,427,322.93x = 374,926,307,441,526.62 - Step 5: Solve for x
x = 374,926,307,441,526.62/22,427,322.93 - Step 6: Final answer
x = 16,717,390.15
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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.