Finding the Fourth Proportional to 7,501,316.88, 11,251,819.76 and 1,821,570.96
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Solution
The fourth proportional to 7,501,316.88, 11,251,819.76 and 1,821,570.96 is: 2,732,318.66
Step by Step Solution
- Step 1: Write the proportion equation
7,501,316.88 : 11,251,819.76 = 1,821,570.96 : x - Step 2: Convert to fraction form
7,501,316.88/11,251,819.76 = 1,821,570.96/x - Step 3: Cross multiply
7,501,316.88x = 11,251,819.76 × 1,821,570.96 - Step 4: Simplify right side
7,501,316.88x = 20,495,988,121,970.17 - Step 5: Solve for x
x = 20,495,988,121,970.17/7,501,316.88 - Step 6: Final answer
x = 2,732,318.66
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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.