Finding the Fourth Proportional to 9,447,117.12, 13,036,645.44 and 5,580,879.84
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Solution
The fourth proportional to 9,447,117.12, 13,036,645.44 and 5,580,879.84 is: 7,701,391.95
Step by Step Solution
- Step 1: Write the proportion equation
9,447,117.12 : 13,036,645.44 = 5,580,879.84 : x - Step 2: Convert to fraction form
9,447,117.12/13,036,645.44 = 5,580,879.84/x - Step 3: Cross multiply
9,447,117.12x = 13,036,645.44 × 5,580,879.84 - Step 4: Simplify right side
9,447,117.12x = 72,755,951,717,323.92 - Step 5: Solve for x
x = 72,755,951,717,323.92/9,447,117.12 - Step 6: Final answer
x = 7,701,391.95
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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.