Finding the Fourth Proportional to 13,304,471.20, 19,956,706.80 and 10,434,689.80
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Solution
The fourth proportional to 13,304,471.20, 19,956,706.80 and 10,434,689.80 is: 15,652,034.70
Step by Step Solution
- Step 1: Write the proportion equation
13,304,471.20 : 19,956,706.80 = 10,434,689.80 : x - Step 2: Convert to fraction form
13,304,471.20/19,956,706.80 = 10,434,689.80/x - Step 3: Cross multiply
13,304,471.20x = 19,956,706.80 × 10,434,689.80 - Step 4: Simplify right side
13,304,471.20x = 208,242,044,887,550.66 - Step 5: Solve for x
x = 208,242,044,887,550.66/13,304,471.20 - Step 6: Final answer
x = 15,652,034.70
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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.