Finding the Fourth Proportional to 7,123,263.68, 10,686,139.68 and 3,134,072
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Solution
The fourth proportional to 7,123,263.68, 10,686,139.68 and 3,134,072 is: 4,701,655.40
Step by Step Solution
- Step 1: Write the proportion equation
7,123,263.68 : 10,686,139.68 = 3,134,072 : x - Step 2: Convert to fraction form
7,123,263.68/10,686,139.68 = 3,134,072/x - Step 3: Cross multiply
7,123,263.68x = 10,686,139.68 × 3,134,072 - Step 4: Simplify right side
7,123,263.68x = 33,491,131,159,176.96 - Step 5: Solve for x
x = 33,491,131,159,176.96/7,123,263.68 - Step 6: Final answer
x = 4,701,655.40
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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.