Finding the Fourth Proportional to 11,397,430.37, 15,728,296.65 and 6,240,791.90
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Solution
The fourth proportional to 11,397,430.37, 15,728,296.65 and 6,240,791.90 is: 8,612,206.71
Step by Step Solution
- Step 1: Write the proportion equation
11,397,430.37 : 15,728,296.65 = 6,240,791.90 : x - Step 2: Convert to fraction form
11,397,430.37/15,728,296.65 = 6,240,791.90/x - Step 3: Cross multiply
11,397,430.37x = 15,728,296.65 × 6,240,791.90 - Step 4: Simplify right side
11,397,430.37x = 98,157,026,334,117.14 - Step 5: Solve for x
x = 98,157,026,334,117.14/11,397,430.37 - Step 6: Final answer
x = 8,612,206.71
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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.