Finding the Fourth Proportional to 38,387,173.08, 57,580,759.84 and 12,828,182.52
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Solution
The fourth proportional to 38,387,173.08, 57,580,759.84 and 12,828,182.52 is: 19,242,273.85
Step by Step Solution
- Step 1: Write the proportion equation
38,387,173.08 : 57,580,759.84 = 12,828,182.52 : x - Step 2: Convert to fraction form
38,387,173.08/57,580,759.84 = 12,828,182.52/x - Step 3: Cross multiply
38,387,173.08x = 57,580,759.84 × 12,828,182.52 - Step 4: Simplify right side
38,387,173.08x = 738,656,496,867,806 - Step 5: Solve for x
x = 738,656,496,867,806/38,387,173.08 - Step 6: Final answer
x = 19,242,273.85
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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.