Finding the Fourth Proportional to 8,660,729.73, 11,950,475.63 and 4,988,929.13
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Solution
The fourth proportional to 8,660,729.73, 11,950,475.63 and 4,988,929.13 is: 6,883,955.26
Step by Step Solution
- Step 1: Write the proportion equation
8,660,729.73 : 11,950,475.63 = 4,988,929.13 : x - Step 2: Convert to fraction form
8,660,729.73/11,950,475.63 = 4,988,929.13/x - Step 3: Cross multiply
8,660,729.73x = 11,950,475.63 × 4,988,929.13 - Step 4: Simplify right side
8,660,729.73x = 59,620,075,987,862.10 - Step 5: Solve for x
x = 59,620,075,987,862.10/8,660,729.73 - Step 6: Final answer
x = 6,883,955.26
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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.