Finding the Fourth Proportional to 9,768,782.86, 14,653,874.11 and 2,580,245.08
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Solution
The fourth proportional to 9,768,782.86, 14,653,874.11 and 2,580,245.08 is: 3,870,552.46
Step by Step Solution
- Step 1: Write the proportion equation
9,768,782.86 : 14,653,874.11 = 2,580,245.08 : x - Step 2: Convert to fraction form
9,768,782.86/14,653,874.11 = 2,580,245.08/x - Step 3: Cross multiply
9,768,782.86x = 14,653,874.11 × 2,580,245.08 - Step 4: Simplify right side
9,768,782.86x = 37,810,586,575,266.88 - Step 5: Solve for x
x = 37,810,586,575,266.88/9,768,782.86 - Step 6: Final answer
x = 3,870,552.46
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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.