Finding the Fourth Proportional to 21,593,319.77, 29,798,783.51 and 11,803,803.84
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Solution
The fourth proportional to 21,593,319.77, 29,798,783.51 and 11,803,803.84 is: 16,289,250.52
Step by Step Solution
- Step 1: Write the proportion equation
21,593,319.77 : 29,798,783.51 = 11,803,803.84 : x - Step 2: Convert to fraction form
21,593,319.77/29,798,783.51 = 11,803,803.84/x - Step 3: Cross multiply
21,593,319.77x = 29,798,783.51 × 11,803,803.84 - Step 4: Simplify right side
21,593,319.77x = 351,738,995,163,647.62 - Step 5: Solve for x
x = 351,738,995,163,647.62/21,593,319.77 - Step 6: Final answer
x = 16,289,250.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.