Finding the Fourth Proportional to 9,423,062.40, 14,134,593.60 and 6,437,078.40
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Solution
The fourth proportional to 9,423,062.40, 14,134,593.60 and 6,437,078.40 is: 9,655,617.60
Step by Step Solution
- Step 1: Write the proportion equation
9,423,062.40 : 14,134,593.60 = 6,437,078.40 : x - Step 2: Convert to fraction form
9,423,062.40/14,134,593.60 = 6,437,078.40/x - Step 3: Cross multiply
9,423,062.40x = 14,134,593.60 × 6,437,078.40 - Step 4: Simplify right side
9,423,062.40x = 90,985,487,155,338.25 - Step 5: Solve for x
x = 90,985,487,155,338.25/9,423,062.40 - Step 6: Final answer
x = 9,655,617.60
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.