Finding the Fourth Proportional to 7,983,480.57, 11,017,207.56 and 4,312,397.16
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Solution
The fourth proportional to 7,983,480.57, 11,017,207.56 and 4,312,397.16 is: 5,951,110.44
Step by Step Solution
- Step 1: Write the proportion equation
7,983,480.57 : 11,017,207.56 = 4,312,397.16 : x - Step 2: Convert to fraction form
7,983,480.57/11,017,207.56 = 4,312,397.16/x - Step 3: Cross multiply
7,983,480.57x = 11,017,207.56 × 4,312,397.16 - Step 4: Simplify right side
7,983,480.57x = 47,510,574,592,874.53 - Step 5: Solve for x
x = 47,510,574,592,874.53/7,983,480.57 - Step 6: Final answer
x = 5,951,110.44
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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.