Finding the Fourth Proportional to 20,816,121.06, 31,242,117.70 and 14,430,857.44
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Solution
The fourth proportional to 20,816,121.06, 31,242,117.70 and 14,430,857.44 is: 21,658,720.44
Step by Step Solution
- Step 1: Write the proportion equation
20,816,121.06 : 31,242,117.70 = 14,430,857.44 : x - Step 2: Convert to fraction form
20,816,121.06/31,242,117.70 = 14,430,857.44/x - Step 3: Cross multiply
20,816,121.06x = 31,242,117.70 × 14,430,857.44 - Step 4: Simplify right side
20,816,121.06x = 450,850,546,652,400.69 - Step 5: Solve for x
x = 450,850,546,652,400.69/20,816,121.06 - Step 6: Final answer
x = 21,658,720.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.