Finding the Fourth Proportional to 38,375,934.84, 57,557,595.42 and 13,778,769.60
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Solution
The fourth proportional to 38,375,934.84, 57,557,595.42 and 13,778,769.60 is: 20,665,889.95
Step by Step Solution
- Step 1: Write the proportion equation
38,375,934.84 : 57,557,595.42 = 13,778,769.60 : x - Step 2: Convert to fraction form
38,375,934.84/57,557,595.42 = 13,778,769.60/x - Step 3: Cross multiply
38,375,934.84x = 57,557,595.42 × 13,778,769.60 - Step 4: Simplify right side
38,375,934.84x = 793,072,846,022,195.25 - Step 5: Solve for x
x = 793,072,846,022,195.25/38,375,934.84 - Step 6: Final answer
x = 20,665,889.95
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1.5x scale
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.