Finding the Fourth Proportional to 37,103,417.12, 51,202,775.68 and 20,583,542.40
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Solution
The fourth proportional to 37,103,417.12, 51,202,775.68 and 20,583,542.40 is: 28,405,321.83
Step by Step Solution
- Step 1: Write the proportion equation
37,103,417.12 : 51,202,775.68 = 20,583,542.40 : x - Step 2: Convert to fraction form
37,103,417.12/51,202,775.68 = 20,583,542.40/x - Step 3: Cross multiply
37,103,417.12x = 51,202,775.68 × 20,583,542.40 - Step 4: Simplify right side
37,103,417.12x = 1,053,934,504,206,968.75 - Step 5: Solve for x
x = 1,053,934,504,206,968.75/37,103,417.12 - Step 6: Final answer
x = 28,405,321.83
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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.