Finding the Fourth Proportional to 27,147,612.38, 40,698,459.61 and 11,783,354.18
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Solution
The fourth proportional to 27,147,612.38, 40,698,459.61 and 11,783,354.18 is: 17,665,065.99
Step by Step Solution
- Step 1: Write the proportion equation
27,147,612.38 : 40,698,459.61 = 11,783,354.18 : x - Step 2: Convert to fraction form
27,147,612.38/40,698,459.61 = 11,783,354.18/x - Step 3: Cross multiply
27,147,612.38x = 40,698,459.61 × 11,783,354.18 - Step 4: Simplify right side
27,147,612.38x = 479,564,364,165,054.62 - Step 5: Solve for x
x = 479,564,364,165,054.62/27,147,612.38 - Step 6: Final answer
x = 17,665,065.99
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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.