Finding the Fourth Proportional to 7,245,319.05, 9,998,562.12 and 3,982,468.14
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Solution
The fourth proportional to 7,245,319.05, 9,998,562.12 and 3,982,468.14 is: 5,495,818.03
Step by Step Solution
- Step 1: Write the proportion equation
7,245,319.05 : 9,998,562.12 = 3,982,468.14 : x - Step 2: Convert to fraction form
7,245,319.05/9,998,562.12 = 3,982,468.14/x - Step 3: Cross multiply
7,245,319.05x = 9,998,562.12 × 3,982,468.14 - Step 4: Simplify right side
7,245,319.05x = 39,818,955,088,710.85 - Step 5: Solve for x
x = 39,818,955,088,710.85/7,245,319.05 - Step 6: Final answer
x = 5,495,818.03
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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.