Finding the Fourth Proportional to 7,760,782.99, 10,710,123.35 and 4,453,682.23
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Solution
The fourth proportional to 7,760,782.99, 10,710,123.35 and 4,453,682.23 is: 6,146,220.83
Step by Step Solution
- Step 1: Write the proportion equation
7,760,782.99 : 10,710,123.35 = 4,453,682.23 : x - Step 2: Convert to fraction form
7,760,782.99/10,710,123.35 = 4,453,682.23/x - Step 3: Cross multiply
7,760,782.99x = 10,710,123.35 × 4,453,682.23 - Step 4: Simplify right side
7,760,782.99x = 47,699,486,045,003.07 - Step 5: Solve for x
x = 47,699,486,045,003.07/7,760,782.99 - Step 6: Final answer
x = 6,146,220.83
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1.5x scale
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.