Finding the Fourth Proportional to 20,466,875.36, 30,716,357.04 and 14,278,614.20
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Solution
The fourth proportional to 20,466,875.36, 30,716,357.04 and 14,278,614.20 is: 21,429,114.32
Step by Step Solution
- Step 1: Write the proportion equation
20,466,875.36 : 30,716,357.04 = 14,278,614.20 : x - Step 2: Convert to fraction form
20,466,875.36/30,716,357.04 = 14,278,614.20/x - Step 3: Cross multiply
20,466,875.36x = 30,716,357.04 × 14,278,614.20 - Step 4: Simplify right side
20,466,875.36x = 438,587,011,803,613.94 - Step 5: Solve for x
x = 438,587,011,803,613.94/20,466,875.36 - Step 6: Final answer
x = 21,429,114.32
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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.