Finding the Fourth Proportional to 7,497,888.72, 10,347,186.81 and 4,190,037.55
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Solution
The fourth proportional to 7,497,888.72, 10,347,186.81 and 4,190,037.55 is: 5,782,307.91
Step by Step Solution
- Step 1: Write the proportion equation
7,497,888.72 : 10,347,186.81 = 4,190,037.55 : x - Step 2: Convert to fraction form
7,497,888.72/10,347,186.81 = 4,190,037.55/x - Step 3: Cross multiply
7,497,888.72x = 10,347,186.81 × 4,190,037.55 - Step 4: Simplify right side
7,497,888.72x = 43,355,101,270,764.72 - Step 5: Solve for x
x = 43,355,101,270,764.72/7,497,888.72 - Step 6: Final answer
x = 5,782,307.91
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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.