Finding the Fourth Proportional to 8,501,709.99, 11,731,917.11 and 4,830,116.99
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Solution
The fourth proportional to 8,501,709.99, 11,731,917.11 and 4,830,116.99 is: 6,665,309.94
Step by Step Solution
- Step 1: Write the proportion equation
8,501,709.99 : 11,731,917.11 = 4,830,116.99 : x - Step 2: Convert to fraction form
8,501,709.99/11,731,917.11 = 4,830,116.99/x - Step 3: Cross multiply
8,501,709.99x = 11,731,917.11 × 4,830,116.99 - Step 4: Simplify right side
8,501,709.99x = 56,666,532,075,472.53 - Step 5: Solve for x
x = 56,666,532,075,472.53/8,501,709.99 - Step 6: Final answer
x = 6,665,309.94
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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.