Finding the Fourth Proportional to 43,535,107.07, 65,312,108.45 and 13,242,182.75
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Solution
The fourth proportional to 43,535,107.07, 65,312,108.45 and 13,242,182.75 is: 19,866,147.90
Step by Step Solution
- Step 1: Write the proportion equation
43,535,107.07 : 65,312,108.45 = 13,242,182.75 : x - Step 2: Convert to fraction form
43,535,107.07/65,312,108.45 = 13,242,182.75/x - Step 3: Cross multiply
43,535,107.07x = 65,312,108.45 × 13,242,182.75 - Step 4: Simplify right side
43,535,107.07x = 864,874,875,816,508.38 - Step 5: Solve for x
x = 864,874,875,816,508.38/43,535,107.07 - Step 6: Final answer
x = 19,866,147.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.