Finding the Fourth Proportional to 13,029,769.95, 17,973,611.97 and 8,126,479.35
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Solution
The fourth proportional to 13,029,769.95, 17,973,611.97 and 8,126,479.35 is: 11,209,882.22
Step by Step Solution
- Step 1: Write the proportion equation
13,029,769.95 : 17,973,611.97 = 8,126,479.35 : x - Step 2: Convert to fraction form
13,029,769.95/17,973,611.97 = 8,126,479.35/x - Step 3: Cross multiply
13,029,769.95x = 17,973,611.97 × 8,126,479.35 - Step 4: Simplify right side
13,029,769.95x = 146,062,186,596,339.69 - Step 5: Solve for x
x = 146,062,186,596,339.69/13,029,769.95 - Step 6: Final answer
x = 11,209,882.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.