Finding the Fourth Proportional to 32,565,947.12, 48,849,089.16 and 19,093,327.28
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Solution
The fourth proportional to 32,565,947.12, 48,849,089.16 and 19,093,327.28 is: 28,640,089.70
Step by Step Solution
- Step 1: Write the proportion equation
32,565,947.12 : 48,849,089.16 = 19,093,327.28 : x - Step 2: Convert to fraction form
32,565,947.12/48,849,089.16 = 19,093,327.28/x - Step 3: Cross multiply
32,565,947.12x = 48,849,089.16 × 19,093,327.28 - Step 4: Simplify right side
32,565,947.12x = 932,691,646,661,780.25 - Step 5: Solve for x
x = 932,691,646,661,780.25/32,565,947.12 - Step 6: Final answer
x = 28,640,089.70
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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.