Finding the Fourth Proportional to 7,811,685.95, 11,713,257.34 and 6,202,789.84
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Solution
The fourth proportional to 7,811,685.95, 11,713,257.34 and 6,202,789.84 is: 9,300,792.95
Step by Step Solution
- Step 1: Write the proportion equation
7,811,685.95 : 11,713,257.34 = 6,202,789.84 : x - Step 2: Convert to fraction form
7,811,685.95/11,713,257.34 = 6,202,789.84/x - Step 3: Cross multiply
7,811,685.95x = 11,713,257.34 × 6,202,789.84 - Step 4: Simplify right side
7,811,685.95x = 72,654,873,621,857.42 - Step 5: Solve for x
x = 72,654,873,621,857.42/7,811,685.95 - Step 6: Final answer
x = 9,300,792.95
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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.