Finding the Fourth Proportional to 10,509,904.95, 15,757,291.26 and 6,458,021.00
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Solution
The fourth proportional to 10,509,904.95, 15,757,291.26 and 6,458,021.00 is: 9,682,382.32
Step by Step Solution
- Step 1: Write the proportion equation
10,509,904.95 : 15,757,291.26 = 6,458,021.00 : x - Step 2: Convert to fraction form
10,509,904.95/15,757,291.26 = 6,458,021.00/x - Step 3: Cross multiply
10,509,904.95x = 15,757,291.26 × 6,458,021.00 - Step 4: Simplify right side
10,509,904.95x = 101,760,917,929,134.59 - Step 5: Solve for x
x = 101,760,917,929,134.59/10,509,904.95 - Step 6: Final answer
x = 9,682,382.32
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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.