Finding the Fourth Proportional to 10,358,612.70, 15,542,396.73 and 5,560,699.02
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Solution
The fourth proportional to 10,358,612.70, 15,542,396.73 and 5,560,699.02 is: 8,343,452.23
Step by Step Solution
- Step 1: Write the proportion equation
10,358,612.70 : 15,542,396.73 = 5,560,699.02 : x - Step 2: Convert to fraction form
10,358,612.70/15,542,396.73 = 5,560,699.02/x - Step 3: Cross multiply
10,358,612.70x = 15,542,396.73 × 5,560,699.02 - Step 4: Simplify right side
10,358,612.70x = 86,426,590,264,962.20 - Step 5: Solve for x
x = 86,426,590,264,962.20/10,358,612.70 - Step 6: Final answer
x = 8,343,452.23
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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.