Finding the Fourth Proportional to 31,592,660.80, 47,388,991.20 and 29,466,896.80
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Solution
The fourth proportional to 31,592,660.80, 47,388,991.20 and 29,466,896.80 is: 44,200,345.20
Step by Step Solution
- Step 1: Write the proportion equation
31,592,660.80 : 47,388,991.20 = 29,466,896.80 : x - Step 2: Convert to fraction form
31,592,660.80/47,388,991.20 = 29,466,896.80/x - Step 3: Cross multiply
31,592,660.80x = 47,388,991.20 × 29,466,896.80 - Step 4: Simplify right side
31,592,660.80x = 1,396,406,513,146,508.25 - Step 5: Solve for x
x = 1,396,406,513,146,508.25/31,592,660.80 - Step 6: Final answer
x = 44,200,345.20
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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.