Finding the Fourth Proportional to 53,699,546.80, 80,560,984.20 and 19,620,838
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Solution
The fourth proportional to 53,699,546.80, 80,560,984.20 and 19,620,838 is: 29,435,518.81
Step by Step Solution
- Step 1: Write the proportion equation
53,699,546.80 : 80,560,984.20 = 19,620,838 : x - Step 2: Convert to fraction form
53,699,546.80/80,560,984.20 = 19,620,838/x - Step 3: Cross multiply
53,699,546.80x = 80,560,984.20 × 19,620,838 - Step 4: Simplify right side
53,699,546.80x = 1,580,674,020,108,759.75 - Step 5: Solve for x
x = 1,580,674,020,108,759.75/53,699,546.80 - Step 6: Final answer
x = 29,435,518.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.