Finding the Fourth Proportional to 7,613,554.60, 10,507,090.26 and 4,176,115.48
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Solution
The fourth proportional to 7,613,554.60, 10,507,090.26 and 4,176,115.48 is: 5,763,250.49
Step by Step Solution
- Step 1: Write the proportion equation
7,613,554.60 : 10,507,090.26 = 4,176,115.48 : x - Step 2: Convert to fraction form
7,613,554.60/10,507,090.26 = 4,176,115.48/x - Step 3: Cross multiply
7,613,554.60x = 10,507,090.26 × 4,176,115.48 - Step 4: Simplify right side
7,613,554.60x = 43,878,822,284,543.23 - Step 5: Solve for x
x = 43,878,822,284,543.23/7,613,554.60 - Step 6: Final answer
x = 5,763,250.49
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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.