Finding the Fourth Proportional to 13,304,319.20, 19,956,478.80 and 10,434,537.80
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Solution
The fourth proportional to 13,304,319.20, 19,956,478.80 and 10,434,537.80 is: 15,651,806.70
Step by Step Solution
- Step 1: Write the proportion equation
13,304,319.20 : 19,956,478.80 = 10,434,537.80 : x - Step 2: Convert to fraction form
13,304,319.20/19,956,478.80 = 10,434,537.80/x - Step 3: Cross multiply
13,304,319.20x = 19,956,478.80 × 10,434,537.80 - Step 4: Simplify right side
13,304,319.20x = 208,236,632,393,498.66 - Step 5: Solve for x
x = 208,236,632,393,498.66/13,304,319.20 - Step 6: Final answer
x = 15,651,806.70
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1.5x scale
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.