Finding the Fourth Proportional to 11,389,699.17, 15,725,120.49 and 10,163,896.61
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Solution
The fourth proportional to 11,389,699.17, 15,725,120.49 and 10,163,896.61 is: 14,032,723.46
Step by Step Solution
- Step 1: Write the proportion equation
11,389,699.17 : 15,725,120.49 = 10,163,896.61 : x - Step 2: Convert to fraction form
11,389,699.17/15,725,120.49 = 10,163,896.61/x - Step 3: Cross multiply
11,389,699.17x = 15,725,120.49 × 10,163,896.61 - Step 4: Simplify right side
11,389,699.17x = 159,828,498,761,526.94 - Step 5: Solve for x
x = 159,828,498,761,526.94/11,389,699.17 - Step 6: Final answer
x = 14,032,723.46
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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.