Finding the Fourth Proportional to 38,986,784.24, 58,513,768.68 and 27,027,918.32
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Solution
The fourth proportional to 38,986,784.24, 58,513,768.68 and 27,027,918.32 is: 40,565,165.64
Step by Step Solution
- Step 1: Write the proportion equation
38,986,784.24 : 58,513,768.68 = 27,027,918.32 : x - Step 2: Convert to fraction form
38,986,784.24/58,513,768.68 = 27,027,918.32/x - Step 3: Cross multiply
38,986,784.24x = 58,513,768.68 × 27,027,918.32 - Step 4: Simplify right side
38,986,784.24x = 1,581,505,360,478,414.25 - Step 5: Solve for x
x = 1,581,505,360,478,414.25/38,986,784.24 - Step 6: Final answer
x = 40,565,165.64
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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.