Finding the Fourth Proportional to 19,398,682.97, 29,098,711.83 and 4,825,678.32
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Solution
The fourth proportional to 19,398,682.97, 29,098,711.83 and 4,825,678.32 is: 7,238,688.48
Step by Step Solution
- Step 1: Write the proportion equation
19,398,682.97 : 29,098,711.83 = 4,825,678.32 : x - Step 2: Convert to fraction form
19,398,682.97/29,098,711.83 = 4,825,678.32/x - Step 3: Cross multiply
19,398,682.97x = 29,098,711.83 × 4,825,678.32 - Step 4: Simplify right side
19,398,682.97x = 140,421,022,817,958.53 - Step 5: Solve for x
x = 140,421,022,817,958.53/19,398,682.97 - Step 6: Final answer
x = 7,238,688.48
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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.