Finding the Fourth Proportional to 31,581,262.56, 47,364,808.08 and 14,525,549.28
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Solution
The fourth proportional to 31,581,262.56, 47,364,808.08 and 14,525,549.28 is: 21,785,064.88
Step by Step Solution
- Step 1: Write the proportion equation
31,581,262.56 : 47,364,808.08 = 14,525,549.28 : x - Step 2: Convert to fraction form
31,581,262.56/47,364,808.08 = 14,525,549.28/x - Step 3: Cross multiply
31,581,262.56x = 47,364,808.08 × 14,525,549.28 - Step 4: Simplify right side
31,581,262.56x = 687,999,853,903,782.12 - Step 5: Solve for x
x = 687,999,853,903,782.12/31,581,262.56 - Step 6: Final answer
x = 21,785,064.88
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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.