Finding the Fourth Proportional to 7,613,656.55, 11,393,796.57 and 5,457,058.58
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Solution
The fourth proportional to 7,613,656.55, 11,393,796.57 and 5,457,058.58 is: 8,166,459.17
Step by Step Solution
- Step 1: Write the proportion equation
7,613,656.55 : 11,393,796.57 = 5,457,058.58 : x - Step 2: Convert to fraction form
7,613,656.55/11,393,796.57 = 5,457,058.58/x - Step 3: Cross multiply
7,613,656.55x = 11,393,796.57 × 5,457,058.58 - Step 4: Simplify right side
7,613,656.55x = 62,176,615,274,124.09 - Step 5: Solve for x
x = 62,176,615,274,124.09/7,613,656.55 - Step 6: Final answer
x = 8,166,459.17
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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.