Finding the Fourth Proportional to 7,803,001.80, 11,704,502.70 and 6,858,217.80
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Solution
The fourth proportional to 7,803,001.80, 11,704,502.70 and 6,858,217.80 is: 10,287,326.70
Step by Step Solution
- Step 1: Write the proportion equation
7,803,001.80 : 11,704,502.70 = 6,858,217.80 : x - Step 2: Convert to fraction form
7,803,001.80/11,704,502.70 = 6,858,217.80/x - Step 3: Cross multiply
7,803,001.80x = 11,704,502.70 × 6,858,217.80 - Step 4: Simplify right side
7,803,001.80x = 80,272,028,757,288.05 - Step 5: Solve for x
x = 80,272,028,757,288.05/7,803,001.80 - Step 6: Final answer
x = 10,287,326.70
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1.5x scale
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.