Finding the Fourth Proportional to 8,868,739.40, 13,305,077.40 and 4,075,272.80
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Solution
The fourth proportional to 8,868,739.40, 13,305,077.40 and 4,075,272.80 is: 6,113,813.65
Step by Step Solution
- Step 1: Write the proportion equation
8,868,739.40 : 13,305,077.40 = 4,075,272.80 : x - Step 2: Convert to fraction form
8,868,739.40/13,305,077.40 = 4,075,272.80/x - Step 3: Cross multiply
8,868,739.40x = 13,305,077.40 × 4,075,272.80 - Step 4: Simplify right side
8,868,739.40x = 54,221,820,030,114.72 - Step 5: Solve for x
x = 54,221,820,030,114.72/8,868,739.40 - Step 6: Final answer
x = 6,113,813.65
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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.