Finding the Fourth Proportional to 14,489,759.02, 19,996,317.44 and 7,963,269.88
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Solution
The fourth proportional to 14,489,759.02, 19,996,317.44 and 7,963,269.88 is: 10,989,559.74
Step by Step Solution
- Step 1: Write the proportion equation
14,489,759.02 : 19,996,317.44 = 7,963,269.88 : x - Step 2: Convert to fraction form
14,489,759.02/19,996,317.44 = 7,963,269.88/x - Step 3: Cross multiply
14,489,759.02x = 19,996,317.44 × 7,963,269.88 - Step 4: Simplify right side
14,489,759.02x = 159,236,072,380,870.72 - Step 5: Solve for x
x = 159,236,072,380,870.72/14,489,759.02 - Step 6: Final answer
x = 10,989,559.74
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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.