Finding the Fourth Proportional to 10,202,606.51, 14,081,127.68 and 7,751,183.63
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Solution
The fourth proportional to 10,202,606.51, 14,081,127.68 and 7,751,183.63 is: 10,697,796.32
Step by Step Solution
- Step 1: Write the proportion equation
10,202,606.51 : 14,081,127.68 = 7,751,183.63 : x - Step 2: Convert to fraction form
10,202,606.51/14,081,127.68 = 7,751,183.63/x - Step 3: Cross multiply
10,202,606.51x = 14,081,127.68 × 7,751,183.63 - Step 4: Simplify right side
10,202,606.51x = 109,145,406,314,128.19 - Step 5: Solve for x
x = 109,145,406,314,128.19/10,202,606.51 - Step 6: Final answer
x = 10,697,796.32
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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.