Finding the Fourth Proportional to 45,749,914.20, 68,624,871.30 and 15,457,339.80
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Solution
The fourth proportional to 45,749,914.20, 68,624,871.30 and 15,457,339.80 is: 23,186,009.70
Step by Step Solution
- Step 1: Write the proportion equation
45,749,914.20 : 68,624,871.30 = 15,457,339.80 : x - Step 2: Convert to fraction form
45,749,914.20/68,624,871.30 = 15,457,339.80/x - Step 3: Cross multiply
45,749,914.20x = 68,624,871.30 × 15,457,339.80 - Step 4: Simplify right side
45,749,914.20x = 1,060,757,954,415,367.75 - Step 5: Solve for x
x = 1,060,757,954,415,367.75/45,749,914.20 - Step 6: Final answer
x = 23,186,009.70
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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.