Finding the Fourth Proportional to 21,102,146.40, 31,652,626.08 and 6,726,075.84
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Solution
The fourth proportional to 21,102,146.40, 31,652,626.08 and 6,726,075.84 is: 10,088,924.58
Step by Step Solution
- Step 1: Write the proportion equation
21,102,146.40 : 31,652,626.08 = 6,726,075.84 : x - Step 2: Convert to fraction form
21,102,146.40/31,652,626.08 = 6,726,075.84/x - Step 3: Cross multiply
21,102,146.40x = 31,652,626.08 × 6,726,075.84 - Step 4: Simplify right side
21,102,146.40x = 212,897,963,549,241.88 - Step 5: Solve for x
x = 212,897,963,549,241.88/21,102,146.40 - Step 6: Final answer
x = 10,088,924.58
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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.