Finding the Fourth Proportional to 7,751,201.80, 11,626,802.70 and 6,069,742.60
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Solution
The fourth proportional to 7,751,201.80, 11,626,802.70 and 6,069,742.60 is: 9,104,613.90
Step by Step Solution
- Step 1: Write the proportion equation
7,751,201.80 : 11,626,802.70 = 6,069,742.60 : x - Step 2: Convert to fraction form
7,751,201.80/11,626,802.70 = 6,069,742.60/x - Step 3: Cross multiply
7,751,201.80x = 11,626,802.70 × 6,069,742.60 - Step 4: Simplify right side
7,751,201.80x = 70,571,699,649,985.02 - Step 5: Solve for x
x = 70,571,699,649,985.02/7,751,201.80 - Step 6: Final answer
x = 9,104,613.90
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1.5x scale
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.