Finding the Fourth Proportional to 8,197,135.80, 11,312,102.09 and 4,475,992.65
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Solution
The fourth proportional to 8,197,135.80, 11,312,102.09 and 4,475,992.65 is: 6,176,899.71
Step by Step Solution
- Step 1: Write the proportion equation
8,197,135.80 : 11,312,102.09 = 4,475,992.65 : x - Step 2: Convert to fraction form
8,197,135.80/11,312,102.09 = 4,475,992.65/x - Step 3: Cross multiply
8,197,135.80x = 11,312,102.09 × 4,475,992.65 - Step 4: Simplify right side
8,197,135.80x = 50,632,885,771,266.75 - Step 5: Solve for x
x = 50,632,885,771,266.75/8,197,135.80 - Step 6: Final answer
x = 6,176,899.71
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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.