Finding the Fourth Proportional to 7,276,313.25, 10,922,040.17 and 5,359,388.99
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Solution
The fourth proportional to 7,276,313.25, 10,922,040.17 and 5,359,388.99 is: 8,044,659.40
Step by Step Solution
- Step 1: Write the proportion equation
7,276,313.25 : 10,922,040.17 = 5,359,388.99 : x - Step 2: Convert to fraction form
7,276,313.25/10,922,040.17 = 5,359,388.99/x - Step 3: Cross multiply
7,276,313.25x = 10,922,040.17 × 5,359,388.99 - Step 4: Simplify right side
7,276,313.25x = 58,535,461,774,126.29 - Step 5: Solve for x
x = 58,535,461,774,126.29/7,276,313.25 - Step 6: Final answer
x = 8,044,659.40
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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.