Finding the Fourth Proportional to 14,243,160.58, 21,330,603.18 and 7,308,390.70
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Solution
The fourth proportional to 14,243,160.58, 21,330,603.18 and 7,308,390.70 is: 10,945,069.46
Step by Step Solution
- Step 1: Write the proportion equation
14,243,160.58 : 21,330,603.18 = 7,308,390.70 : x - Step 2: Convert to fraction form
14,243,160.58/21,330,603.18 = 7,308,390.70/x - Step 3: Cross multiply
14,243,160.58x = 21,330,603.18 × 7,308,390.70 - Step 4: Simplify right side
14,243,160.58x = 155,892,381,906,102.44 - Step 5: Solve for x
x = 155,892,381,906,102.44/14,243,160.58 - Step 6: Final answer
x = 10,945,069.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.