Finding the Fourth Proportional to 31,599,699.84, 47,399,549.84 and 8,880,597.12
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Solution
The fourth proportional to 31,599,699.84, 47,399,549.84 and 8,880,597.12 is: 13,320,895.70
Step by Step Solution
- Step 1: Write the proportion equation
31,599,699.84 : 47,399,549.84 = 8,880,597.12 : x - Step 2: Convert to fraction form
31,599,699.84/47,399,549.84 = 8,880,597.12/x - Step 3: Cross multiply
31,599,699.84x = 47,399,549.84 × 8,880,597.12 - Step 4: Simplify right side
31,599,699.84x = 420,936,305,798,400.44 - Step 5: Solve for x
x = 420,936,305,798,400.44/31,599,699.84 - Step 6: Final answer
x = 13,320,895.70
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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.