Finding the Fourth Proportional to 8,499,475.36, 11,728,933.68 and 4,631,913.52
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Solution
The fourth proportional to 8,499,475.36, 11,728,933.68 and 4,631,913.52 is: 6,391,854.11
Step by Step Solution
- Step 1: Write the proportion equation
8,499,475.36 : 11,728,933.68 = 4,631,913.52 : x - Step 2: Convert to fraction form
8,499,475.36/11,728,933.68 = 4,631,913.52/x - Step 3: Cross multiply
8,499,475.36x = 11,728,933.68 × 4,631,913.52 - Step 4: Simplify right side
8,499,475.36x = 54,327,406,487,575.34 - Step 5: Solve for x
x = 54,327,406,487,575.34/8,499,475.36 - Step 6: Final answer
x = 6,391,854.11
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1.5x scale
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.