Finding the Fourth Proportional to 14,080,144.88, 19,430,607.84 and 7,641,616.88
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Solution
The fourth proportional to 14,080,144.88, 19,430,607.84 and 7,641,616.88 is: 10,545,435.58
Step by Step Solution
- Step 1: Write the proportion equation
14,080,144.88 : 19,430,607.84 = 7,641,616.88 : x - Step 2: Convert to fraction form
14,080,144.88/19,430,607.84 = 7,641,616.88/x - Step 3: Cross multiply
14,080,144.88x = 19,430,607.84 × 7,641,616.88 - Step 4: Simplify right side
14,080,144.88x = 148,481,260,858,804.34 - Step 5: Solve for x
x = 148,481,260,858,804.34/14,080,144.88 - Step 6: Final answer
x = 10,545,435.58
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1.5x scale
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.