Finding the Fourth Proportional to 26,385,318.72, 39,577,414.68 and 7,216,075.80
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Solution
The fourth proportional to 26,385,318.72, 39,577,414.68 and 7,216,075.80 is: 10,823,959.62
Step by Step Solution
- Step 1: Write the proportion equation
26,385,318.72 : 39,577,414.68 = 7,216,075.80 : x - Step 2: Convert to fraction form
26,385,318.72/39,577,414.68 = 7,216,075.80/x - Step 3: Cross multiply
26,385,318.72x = 39,577,414.68 × 7,216,075.80 - Step 4: Simplify right side
26,385,318.72x = 285,593,624,298,912.75 - Step 5: Solve for x
x = 285,593,624,298,912.75/26,385,318.72 - Step 6: Final answer
x = 10,823,959.62
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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.