Finding the Fourth Proportional to 7,920,609.49, 10,929,192.56 and 4,613,447.99
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Solution
The fourth proportional to 7,920,609.49, 10,929,192.56 and 4,613,447.99 is: 6,365,831.00
Step by Step Solution
- Step 1: Write the proportion equation
7,920,609.49 : 10,929,192.56 = 4,613,447.99 : x - Step 2: Convert to fraction form
7,920,609.49/10,929,192.56 = 4,613,447.99/x - Step 3: Cross multiply
7,920,609.49x = 10,929,192.56 × 4,613,447.99 - Step 4: Simplify right side
7,920,609.49x = 50,421,261,465,370.05 - Step 5: Solve for x
x = 50,421,261,465,370.05/7,920,609.49 - Step 6: Final answer
x = 6,365,831.00
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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.