Finding the Fourth Proportional to 15,514,931.68, 23,272,396.92 and 7,315,665.44
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Solution
The fourth proportional to 15,514,931.68, 23,272,396.92 and 7,315,665.44 is: 10,973,497.88
Step by Step Solution
- Step 1: Write the proportion equation
15,514,931.68 : 23,272,396.92 = 7,315,665.44 : x - Step 2: Convert to fraction form
15,514,931.68/23,272,396.92 = 7,315,665.44/x - Step 3: Cross multiply
15,514,931.68x = 23,272,396.92 × 7,315,665.44 - Step 4: Simplify right side
15,514,931.68x = 170,253,069,853,606.47 - Step 5: Solve for x
x = 170,253,069,853,606.47/15,514,931.68 - Step 6: Final answer
x = 10,973,497.88
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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.