Finding the Fourth Proportional to 8,868,729.40, 13,305,062.40 and 4,075,262.80
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Solution
The fourth proportional to 8,868,729.40, 13,305,062.40 and 4,075,262.80 is: 6,113,798.65
Step by Step Solution
- Step 1: Write the proportion equation
8,868,729.40 : 13,305,062.40 = 4,075,262.80 : x - Step 2: Convert to fraction form
8,868,729.40/13,305,062.40 = 4,075,262.80/x - Step 3: Cross multiply
8,868,729.40x = 13,305,062.40 × 4,075,262.80 - Step 4: Simplify right side
8,868,729.40x = 54,221,625,850,398.72 - Step 5: Solve for x
x = 54,221,625,850,398.72/8,868,729.40 - Step 6: Final answer
x = 6,113,798.65
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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.