Finding the Fourth Proportional to 14,813,239.16, 20,441,795.61 and 8,286,728.18
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Solution
The fourth proportional to 14,813,239.16, 20,441,795.61 and 8,286,728.18 is: 11,435,419.49
Step by Step Solution
- Step 1: Write the proportion equation
14,813,239.16 : 20,441,795.61 = 8,286,728.18 : x - Step 2: Convert to fraction form
14,813,239.16/20,441,795.61 = 8,286,728.18/x - Step 3: Cross multiply
14,813,239.16x = 20,441,795.61 × 8,286,728.18 - Step 4: Simplify right side
14,813,239.16x = 169,395,603,731,187.28 - Step 5: Solve for x
x = 169,395,603,731,187.28/14,813,239.16 - Step 6: Final answer
x = 11,435,419.49
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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.