Finding the Fourth Proportional to 10,331,948.99, 15,500,165.56 and 3,143,296.06
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Solution
The fourth proportional to 10,331,948.99, 15,500,165.56 and 3,143,296.06 is: 4,715,626.19
Step by Step Solution
- Step 1: Write the proportion equation
10,331,948.99 : 15,500,165.56 = 3,143,296.06 : x - Step 2: Convert to fraction form
10,331,948.99/15,500,165.56 = 3,143,296.06/x - Step 3: Cross multiply
10,331,948.99x = 15,500,165.56 × 3,143,296.06 - Step 4: Simplify right side
10,331,948.99x = 48,721,609,305,168.08 - Step 5: Solve for x
x = 48,721,609,305,168.08/10,331,948.99 - Step 6: Final answer
x = 4,715,626.19
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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.