Finding the Fourth Proportional to 14,576,430.13, 20,115,473.51 and 8,465,252.29
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Solution
The fourth proportional to 14,576,430.13, 20,115,473.51 and 8,465,252.29 is: 11,682,048.12
Step by Step Solution
- Step 1: Write the proportion equation
14,576,430.13 : 20,115,473.51 = 8,465,252.29 : x - Step 2: Convert to fraction form
14,576,430.13/20,115,473.51 = 8,465,252.29/x - Step 3: Cross multiply
14,576,430.13x = 20,115,473.51 × 8,465,252.29 - Step 4: Simplify right side
14,576,430.13x = 170,282,558,165,836.28 - Step 5: Solve for x
x = 170,282,558,165,836.28/14,576,430.13 - Step 6: Final answer
x = 11,682,048.12
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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.