Finding the Fourth Proportional to 38,846,433.51, 53,608,070.12 and 21,442,774.23
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Solution
The fourth proportional to 38,846,433.51, 53,608,070.12 and 21,442,774.23 is: 29,591,023.95
Step by Step Solution
- Step 1: Write the proportion equation
38,846,433.51 : 53,608,070.12 = 21,442,774.23 : x - Step 2: Convert to fraction form
38,846,433.51/53,608,070.12 = 21,442,774.23/x - Step 3: Cross multiply
38,846,433.51x = 53,608,070.12 × 21,442,774.23 - Step 4: Simplify right side
38,846,433.51x = 1,149,505,744,381,955.25 - Step 5: Solve for x
x = 1,149,505,744,381,955.25/38,846,433.51 - Step 6: Final answer
x = 29,591,023.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.