Finding the Fourth Proportional to 38,686,640.64, 58,027,860.96 and 11,758,197.12
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Solution
The fourth proportional to 38,686,640.64, 58,027,860.96 and 11,758,197.12 is: 17,636,657.42
Step by Step Solution
- Step 1: Write the proportion equation
38,686,640.64 : 58,027,860.96 = 11,758,197.12 : x - Step 2: Convert to fraction form
38,686,640.64/58,027,860.96 = 11,758,197.12/x - Step 3: Cross multiply
38,686,640.64x = 58,027,860.96 × 11,758,197.12 - Step 4: Simplify right side
38,686,640.64x = 682,303,027,619,632.38 - Step 5: Solve for x
x = 682,303,027,619,632.38/38,686,640.64 - Step 6: Final answer
x = 17,636,657.42
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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.