Finding the Fourth Proportional to 13,304,515.20, 19,956,772.80 and 10,434,733.80
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Solution
The fourth proportional to 13,304,515.20, 19,956,772.80 and 10,434,733.80 is: 15,652,100.70
Step by Step Solution
- Step 1: Write the proportion equation
13,304,515.20 : 19,956,772.80 = 10,434,733.80 : x - Step 2: Convert to fraction form
13,304,515.20/19,956,772.80 = 10,434,733.80/x - Step 3: Cross multiply
13,304,515.20x = 19,956,772.80 × 10,434,733.80 - Step 4: Simplify right side
13,304,515.20x = 208,243,611,675,080.66 - Step 5: Solve for x
x = 208,243,611,675,080.66/13,304,515.20 - Step 6: Final answer
x = 15,652,100.70
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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.