Finding the Fourth Proportional to 25,249,471.74, 34,844,256 and 13,647,035.79
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Solution
The fourth proportional to 25,249,471.74, 34,844,256 and 13,647,035.79 is: 18,832,901.28
Step by Step Solution
- Step 1: Write the proportion equation
25,249,471.74 : 34,844,256 = 13,647,035.79 : x - Step 2: Convert to fraction form
25,249,471.74/34,844,256 = 13,647,035.79/x - Step 3: Cross multiply
25,249,471.74x = 34,844,256 × 13,647,035.79 - Step 4: Simplify right side
25,249,471.74x = 475,520,808,707,922.19 - Step 5: Solve for x
x = 475,520,808,707,922.19/25,249,471.74 - Step 6: Final answer
x = 18,832,901.28
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1.5x scale
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.