Finding the Fourth Proportional to 7,789,947.66, 10,750,536.41 and 4,693,442.67
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Solution
The fourth proportional to 7,789,947.66, 10,750,536.41 and 4,693,442.67 is: 6,477,197.09
Step by Step Solution
- Step 1: Write the proportion equation
7,789,947.66 : 10,750,536.41 = 4,693,442.67 : x - Step 2: Convert to fraction form
7,789,947.66/10,750,536.41 = 4,693,442.67/x - Step 3: Cross multiply
7,789,947.66x = 10,750,536.41 × 4,693,442.67 - Step 4: Simplify right side
7,789,947.66x = 50,457,026,288,615.40 - Step 5: Solve for x
x = 50,457,026,288,615.40/7,789,947.66 - Step 6: Final answer
x = 6,477,197.09
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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.