Finding the Fourth Proportional to 14,177,699.10, 21,266,548.65 and 13,431,203.10
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Solution
The fourth proportional to 14,177,699.10, 21,266,548.65 and 13,431,203.10 is: 20,146,804.65
Step by Step Solution
- Step 1: Write the proportion equation
14,177,699.10 : 21,266,548.65 = 13,431,203.10 : x - Step 2: Convert to fraction form
14,177,699.10/21,266,548.65 = 13,431,203.10/x - Step 3: Cross multiply
14,177,699.10x = 21,266,548.65 × 13,431,203.10 - Step 4: Simplify right side
14,177,699.10x = 285,635,334,154,180.81 - Step 5: Solve for x
x = 285,635,334,154,180.81/14,177,699.10 - Step 6: Final answer
x = 20,146,804.65
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Double scale
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Similar ratio
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1.5x scale
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.