Finding the Fourth Proportional to 7,030,027.68, 9,701,761.68 and 3,974,370.72
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Solution
The fourth proportional to 7,030,027.68, 9,701,761.68 and 3,974,370.72 is: 5,484,814.47
Step by Step Solution
- Step 1: Write the proportion equation
7,030,027.68 : 9,701,761.68 = 3,974,370.72 : x - Step 2: Convert to fraction form
7,030,027.68/9,701,761.68 = 3,974,370.72/x - Step 3: Cross multiply
7,030,027.68x = 9,701,761.68 × 3,974,370.72 - Step 4: Simplify right side
7,030,027.68x = 38,558,397,553,410.01 - Step 5: Solve for x
x = 38,558,397,553,410.01/7,030,027.68 - Step 6: Final answer
x = 5,484,814.47
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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.