Finding the Fourth Proportional to 21,674,491.74, 32,488,979.01 and 7,292,566.53
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Solution
The fourth proportional to 21,674,491.74, 32,488,979.01 and 7,292,566.53 is: 10,931,192.47
Step by Step Solution
- Step 1: Write the proportion equation
21,674,491.74 : 32,488,979.01 = 7,292,566.53 : x - Step 2: Convert to fraction form
21,674,491.74/32,488,979.01 = 7,292,566.53/x - Step 3: Cross multiply
21,674,491.74x = 32,488,979.01 × 7,292,566.53 - Step 4: Simplify right side
21,674,491.74x = 236,928,040,922,198.56 - Step 5: Solve for x
x = 236,928,040,922,198.56/21,674,491.74 - Step 6: Final answer
x = 10,931,192.47
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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.