Finding the Fourth Proportional to 31,410,081.99, 47,115,713.52 and 9,844,206.21
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Solution
The fourth proportional to 31,410,081.99, 47,115,713.52 and 9,844,206.21 is: 14,766,494.39
Step by Step Solution
- Step 1: Write the proportion equation
31,410,081.99 : 47,115,713.52 = 9,844,206.21 : x - Step 2: Convert to fraction form
31,410,081.99/47,115,713.52 = 9,844,206.21/x - Step 3: Cross multiply
31,410,081.99x = 47,115,713.52 × 9,844,206.21 - Step 4: Simplify right side
31,410,081.99x = 463,816,799,622,165.06 - Step 5: Solve for x
x = 463,816,799,622,165.06/31,410,081.99 - Step 6: Final answer
x = 14,766,494.39
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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.