Finding the Fourth Proportional to 7,225,837.36, 9,970,739.06 and 3,961,793.17
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Solution
The fourth proportional to 7,225,837.36, 9,970,739.06 and 3,961,793.17 is: 5,466,772.08
Step by Step Solution
- Step 1: Write the proportion equation
7,225,837.36 : 9,970,739.06 = 3,961,793.17 : x - Step 2: Convert to fraction form
7,225,837.36/9,970,739.06 = 3,961,793.17/x - Step 3: Cross multiply
7,225,837.36x = 9,970,739.06 × 3,961,793.17 - Step 4: Simplify right side
7,225,837.36x = 39,502,005,892,737.85 - Step 5: Solve for x
x = 39,502,005,892,737.85/7,225,837.36 - Step 6: Final answer
x = 5,466,772.08
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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.