Finding the Fourth Proportional to 28,125,979.75, 42,399,779.47 and 26,251,093.20
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Solution
The fourth proportional to 28,125,979.75, 42,399,779.47 and 26,251,093.20 is: 39,573,397.00
Step by Step Solution
- Step 1: Write the proportion equation
28,125,979.75 : 42,399,779.47 = 26,251,093.20 : x - Step 2: Convert to fraction form
28,125,979.75/42,399,779.47 = 26,251,093.20/x - Step 3: Cross multiply
28,125,979.75x = 42,399,779.47 × 26,251,093.20 - Step 4: Simplify right side
28,125,979.75x = 1,113,040,562,526,416.50 - Step 5: Solve for x
x = 1,113,040,562,526,416.50/28,125,979.75 - Step 6: Final answer
x = 39,573,397.00
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.