Finding the Fourth Proportional to 6,770,325.64, 10,085,121.45 and 6,403,624.06
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Solution
The fourth proportional to 6,770,325.64, 10,085,121.45 and 6,403,624.06 is: 9,538,880.37
Step by Step Solution
- Step 1: Write the proportion equation
6,770,325.64 : 10,085,121.45 = 6,403,624.06 : x - Step 2: Convert to fraction form
6,770,325.64/10,085,121.45 = 6,403,624.06/x - Step 3: Cross multiply
6,770,325.64x = 10,085,121.45 × 6,403,624.06 - Step 4: Simplify right side
6,770,325.64x = 64,581,326,365,242.08 - Step 5: Solve for x
x = 64,581,326,365,242.08/6,770,325.64 - Step 6: Final answer
x = 9,538,880.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.