Finding the Fourth Proportional to 53,367,812.63, 73,647,644.43 and 28,921,526.63
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Solution
The fourth proportional to 53,367,812.63, 73,647,644.43 and 28,921,526.63 is: 39,911,740.89
Step by Step Solution
- Step 1: Write the proportion equation
53,367,812.63 : 73,647,644.43 = 28,921,526.63 : x - Step 2: Convert to fraction form
53,367,812.63/73,647,644.43 = 28,921,526.63/x - Step 3: Cross multiply
53,367,812.63x = 73,647,644.43 × 28,921,526.63 - Step 4: Simplify right side
53,367,812.63x = 2,130,002,309,619,016.25 - Step 5: Solve for x
x = 2,130,002,309,619,016.25/53,367,812.63 - Step 6: Final answer
x = 39,911,740.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.