Finding the Fourth Proportional to 10,691,373.36, 14,739,822.54 and 8,493,528.54
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Solution
The fourth proportional to 10,691,373.36, 14,739,822.54 and 8,493,528.54 is: 11,709,730.75
Step by Step Solution
- Step 1: Write the proportion equation
10,691,373.36 : 14,739,822.54 = 8,493,528.54 : x - Step 2: Convert to fraction form
10,691,373.36/14,739,822.54 = 8,493,528.54/x - Step 3: Cross multiply
10,691,373.36x = 14,739,822.54 × 8,493,528.54 - Step 4: Simplify right side
10,691,373.36x = 125,193,103,418,025.27 - Step 5: Solve for x
x = 125,193,103,418,025.27/10,691,373.36 - Step 6: Final answer
x = 11,709,730.75
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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.