Finding the Fourth Proportional to 14,261,142.84, 21,381,075.54 and 8,580,036.12
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Solution
The fourth proportional to 14,261,142.84, 21,381,075.54 and 8,580,036.12 is: 12,863,653.53
Step by Step Solution
- Step 1: Write the proportion equation
14,261,142.84 : 21,381,075.54 = 8,580,036.12 : x - Step 2: Convert to fraction form
14,261,142.84/21,381,075.54 = 8,580,036.12/x - Step 3: Cross multiply
14,261,142.84x = 21,381,075.54 × 8,580,036.12 - Step 4: Simplify right side
14,261,142.84x = 183,450,400,417,648.47 - Step 5: Solve for x
x = 183,450,400,417,648.47/14,261,142.84 - Step 6: Final answer
x = 12,863,653.53
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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.