Finding the Fourth Proportional to 7,732,543.56, 10,670,917.14 and 4,248,107.94
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Solution
The fourth proportional to 7,732,543.56, 10,670,917.14 and 4,248,107.94 is: 5,862,392.82
Step by Step Solution
- Step 1: Write the proportion equation
7,732,543.56 : 10,670,917.14 = 4,248,107.94 : x - Step 2: Convert to fraction form
7,732,543.56/10,670,917.14 = 4,248,107.94/x - Step 3: Cross multiply
7,732,543.56x = 10,670,917.14 × 4,248,107.94 - Step 4: Simplify right side
7,732,543.56x = 45,331,207,829,516.10 - Step 5: Solve for x
x = 45,331,207,829,516.10/7,732,543.56 - Step 6: Final answer
x = 5,862,392.82
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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.