Finding the Fourth Proportional to 31,410,264.18, 47,115,986.49 and 9,844,388.94
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Solution
The fourth proportional to 31,410,264.18, 47,115,986.49 and 9,844,388.94 is: 14,766,768.39
Step by Step Solution
- Step 1: Write the proportion equation
31,410,264.18 : 47,115,986.49 = 9,844,388.94 : x - Step 2: Convert to fraction form
31,410,264.18/47,115,986.49 = 9,844,388.94/x - Step 3: Cross multiply
31,410,264.18x = 47,115,986.49 × 9,844,388.94 - Step 4: Simplify right side
31,410,264.18x = 463,828,096,299,345.44 - Step 5: Solve for x
x = 463,828,096,299,345.44/31,410,264.18 - Step 6: Final answer
x = 14,766,768.39
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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.