Finding the Fourth Proportional to 13,480,210, 20,220,315 and 4,504,762
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Solution
The fourth proportional to 13,480,210, 20,220,315 and 4,504,762 is: 6,757,143
Step by Step Solution
- Step 1: Write the proportion equation
13,480,210 : 20,220,315 = 4,504,762 : x - Step 2: Convert to fraction form
13,480,210/20,220,315 = 4,504,762/x - Step 3: Cross multiply
13,480,210x = 20,220,315 × 4,504,762 - Step 4: Simplify right side
13,480,210x = 91,087,706,640,030 - Step 5: Solve for x
x = 91,087,706,640,030/13,480,210 - Step 6: Final answer
x = 6,757,143
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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.