Finding the Fourth Proportional to 10,772,269.79, 14,848,366.47 and 7,286,337.32
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Solution
The fourth proportional to 10,772,269.79, 14,848,366.47 and 7,286,337.32 is: 10,043,399.28
Step by Step Solution
- Step 1: Write the proportion equation
10,772,269.79 : 14,848,366.47 = 7,286,337.32 : x - Step 2: Convert to fraction form
10,772,269.79/14,848,366.47 = 7,286,337.32/x - Step 3: Cross multiply
10,772,269.79x = 14,848,366.47 × 7,286,337.32 - Step 4: Simplify right side
10,772,269.79x = 108,190,206,649,832.08 - Step 5: Solve for x
x = 108,190,206,649,832.08/10,772,269.79 - Step 6: Final answer
x = 10,043,399.28
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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.