Finding the Fourth Proportional to 7,001,323.08, 9,661,811.40 and 3,782,059.08
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Solution
The fourth proportional to 7,001,323.08, 9,661,811.40 and 3,782,059.08 is: 5,219,233.72
Step by Step Solution
- Step 1: Write the proportion equation
7,001,323.08 : 9,661,811.40 = 3,782,059.08 : x - Step 2: Convert to fraction form
7,001,323.08/9,661,811.40 = 3,782,059.08/x - Step 3: Cross multiply
7,001,323.08x = 9,661,811.40 × 3,782,059.08 - Step 4: Simplify right side
7,001,323.08x = 36,541,541,534,617.52 - Step 5: Solve for x
x = 36,541,541,534,617.52/7,001,323.08 - Step 6: Final answer
x = 5,219,233.72
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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.