Finding the Fourth Proportional to 51,461,769.20, 71,017,241.76 and 28,256,896.08
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Solution
The fourth proportional to 51,461,769.20, 71,017,241.76 and 28,256,896.08 is: 38,994,516.74
Step by Step Solution
- Step 1: Write the proportion equation
51,461,769.20 : 71,017,241.76 = 28,256,896.08 : x - Step 2: Convert to fraction form
51,461,769.20/71,017,241.76 = 28,256,896.08/x - Step 3: Cross multiply
51,461,769.20x = 71,017,241.76 × 28,256,896.08 - Step 4: Simplify right side
51,461,769.20x = 2,006,726,820,300,556.25 - Step 5: Solve for x
x = 2,006,726,820,300,556.25/51,461,769.20 - Step 6: Final answer
x = 38,994,516.74
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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.