Finding the Fourth Proportional to 7,168,542.40, 10,735,098.90 and 4,759,343.20
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Solution
The fourth proportional to 7,168,542.40, 10,735,098.90 and 4,759,343.20 is: 7,127,253.65
Step by Step Solution
- Step 1: Write the proportion equation
7,168,542.40 : 10,735,098.90 = 4,759,343.20 : x - Step 2: Convert to fraction form
7,168,542.40/10,735,098.90 = 4,759,343.20/x - Step 3: Cross multiply
7,168,542.40x = 10,735,098.90 × 4,759,343.20 - Step 4: Simplify right side
7,168,542.40x = 51,092,019,951,042.48 - Step 5: Solve for x
x = 51,092,019,951,042.48/7,168,542.40 - Step 6: Final answer
x = 7,127,253.65
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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.