Finding the Fourth Proportional to 18,527,973.60, 27,791,758.02 and 7,595,723.82
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Solution
The fourth proportional to 18,527,973.60, 27,791,758.02 and 7,595,723.82 is: 11,393,502.76
Step by Step Solution
- Step 1: Write the proportion equation
18,527,973.60 : 27,791,758.02 = 7,595,723.82 : x - Step 2: Convert to fraction form
18,527,973.60/27,791,758.02 = 7,595,723.82/x - Step 3: Cross multiply
18,527,973.60x = 27,791,758.02 × 7,595,723.82 - Step 4: Simplify right side
18,527,973.60x = 211,098,518,392,190.03 - Step 5: Solve for x
x = 211,098,518,392,190.03/18,527,973.60 - Step 6: Final answer
x = 11,393,502.76
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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.