Finding the Fourth Proportional to 13,503,907.04, 18,635,390.28 and 7,308,952.68
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Solution
The fourth proportional to 13,503,907.04, 18,635,390.28 and 7,308,952.68 is: 10,086,353.92
Step by Step Solution
- Step 1: Write the proportion equation
13,503,907.04 : 18,635,390.28 = 7,308,952.68 : x - Step 2: Convert to fraction form
13,503,907.04/18,635,390.28 = 7,308,952.68/x - Step 3: Cross multiply
13,503,907.04x = 18,635,390.28 × 7,308,952.68 - Step 4: Simplify right side
13,503,907.04x = 136,205,185,729,851.95 - Step 5: Solve for x
x = 136,205,185,729,851.95/13,503,907.04 - Step 6: Final answer
x = 10,086,353.92
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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.