Finding the Fourth Proportional to 7,259,748.70, 10,896,352.14 and 3,668,039.92
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Solution
The fourth proportional to 7,259,748.70, 10,896,352.14 and 3,668,039.92 is: 5,505,459.80
Step by Step Solution
- Step 1: Write the proportion equation
7,259,748.70 : 10,896,352.14 = 3,668,039.92 : x - Step 2: Convert to fraction form
7,259,748.70/10,896,352.14 = 3,668,039.92/x - Step 3: Cross multiply
7,259,748.70x = 10,896,352.14 × 3,668,039.92 - Step 4: Simplify right side
7,259,748.70x = 39,968,254,631,897.43 - Step 5: Solve for x
x = 39,968,254,631,897.43/7,259,748.70 - Step 6: Final answer
x = 5,505,459.80
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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.