Finding the Fourth Proportional to 14,861,603.70, 22,292,405.55 and 12,470,119.20
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Solution
The fourth proportional to 14,861,603.70, 22,292,405.55 and 12,470,119.20 is: 18,705,178.80
Step by Step Solution
- Step 1: Write the proportion equation
14,861,603.70 : 22,292,405.55 = 12,470,119.20 : x - Step 2: Convert to fraction form
14,861,603.70/22,292,405.55 = 12,470,119.20/x - Step 3: Cross multiply
14,861,603.70x = 22,292,405.55 × 12,470,119.20 - Step 4: Simplify right side
14,861,603.70x = 277,988,954,463,241.56 - Step 5: Solve for x
x = 277,988,954,463,241.56/14,861,603.70 - Step 6: Final answer
x = 18,705,178.80
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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.