Finding the Fourth Proportional to 21,554,201.27, 32,336,449.56 and 7,177,393.62
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Solution
The fourth proportional to 21,554,201.27, 32,336,449.56 and 7,177,393.62 is: 10,767,804.56
Step by Step Solution
- Step 1: Write the proportion equation
21,554,201.27 : 32,336,449.56 = 7,177,393.62 : x - Step 2: Convert to fraction form
21,554,201.27/32,336,449.56 = 7,177,393.62/x - Step 3: Cross multiply
21,554,201.27x = 32,336,449.56 × 7,177,393.62 - Step 4: Simplify right side
21,554,201.27x = 232,091,426,765,395.81 - Step 5: Solve for x
x = 232,091,426,765,395.81/21,554,201.27 - Step 6: Final answer
x = 10,767,804.56
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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.