Finding the Fourth Proportional to 28,811,873.21, 43,217,883.59 and 11,772,546.12
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Solution
The fourth proportional to 28,811,873.21, 43,217,883.59 and 11,772,546.12 is: 17,658,849.33
Step by Step Solution
- Step 1: Write the proportion equation
28,811,873.21 : 43,217,883.59 = 11,772,546.12 : x - Step 2: Convert to fraction form
28,811,873.21/43,217,883.59 = 11,772,546.12/x - Step 3: Cross multiply
28,811,873.21x = 43,217,883.59 × 11,772,546.12 - Step 4: Simplify right side
28,811,873.21x = 508,784,527,713,203.44 - Step 5: Solve for x
x = 508,784,527,713,203.44/28,811,873.21 - Step 6: Final answer
x = 17,658,849.33
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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.