Finding the Fourth Proportional to 8,675,541.10, 12,935,749.91 and 8,437,186.68
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Solution
The fourth proportional to 8,675,541.10, 12,935,749.91 and 8,437,186.68 is: 12,580,349.23
Step by Step Solution
- Step 1: Write the proportion equation
8,675,541.10 : 12,935,749.91 = 8,437,186.68 : x - Step 2: Convert to fraction form
8,675,541.10/12,935,749.91 = 8,437,186.68/x - Step 3: Cross multiply
8,675,541.10x = 12,935,749.91 × 8,437,186.68 - Step 4: Simplify right side
8,675,541.10x = 109,141,336,836,463.20 - Step 5: Solve for x
x = 109,141,336,836,463.20/8,675,541.10 - Step 6: Final answer
x = 12,580,349.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.