Finding the Fourth Proportional to 7,064,755.20, 10,593,944.64 and 2,014,865.28
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Solution
The fourth proportional to 7,064,755.20, 10,593,944.64 and 2,014,865.28 is: 3,021,388.66
Step by Step Solution
- Step 1: Write the proportion equation
7,064,755.20 : 10,593,944.64 = 2,014,865.28 : x - Step 2: Convert to fraction form
7,064,755.20/10,593,944.64 = 2,014,865.28/x - Step 3: Cross multiply
7,064,755.20x = 10,593,944.64 × 2,014,865.28 - Step 4: Simplify right side
7,064,755.20x = 21,345,371,233,378.10 - Step 5: Solve for x
x = 21,345,371,233,378.10/7,064,755.20 - Step 6: Final answer
x = 3,021,388.66
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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.