Finding the Fourth Proportional to 8,078,331.34, 11,148,044.27 and 4,593,670.70
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Solution
The fourth proportional to 8,078,331.34, 11,148,044.27 and 4,593,670.70 is: 6,339,235.44
Step by Step Solution
- Step 1: Write the proportion equation
8,078,331.34 : 11,148,044.27 = 4,593,670.70 : x - Step 2: Convert to fraction form
8,078,331.34/11,148,044.27 = 4,593,670.70/x - Step 3: Cross multiply
8,078,331.34x = 11,148,044.27 × 4,593,670.70 - Step 4: Simplify right side
8,078,331.34x = 51,210,444,330,303.65 - Step 5: Solve for x
x = 51,210,444,330,303.65/8,078,331.34 - Step 6: Final answer
x = 6,339,235.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.