Finding the Fourth Proportional to 7,446,727.09, 10,276,923.36 and 5,607,941.23
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Solution
The fourth proportional to 7,446,727.09, 10,276,923.36 and 5,607,941.23 is: 7,739,290.23
Step by Step Solution
- Step 1: Write the proportion equation
7,446,727.09 : 10,276,923.36 = 5,607,941.23 : x - Step 2: Convert to fraction form
7,446,727.09/10,276,923.36 = 5,607,941.23/x - Step 3: Cross multiply
7,446,727.09x = 10,276,923.36 × 5,607,941.23 - Step 4: Simplify right side
7,446,727.09x = 57,632,382,228,094.13 - Step 5: Solve for x
x = 57,632,382,228,094.13/7,446,727.09 - Step 6: Final answer
x = 7,739,290.23
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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.