Finding the Fourth Proportional to 11,116,883.75, 15,337,802.51 and 6,221,327.99
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Solution
The fourth proportional to 11,116,883.75, 15,337,802.51 and 6,221,327.99 is: 8,583,475.57
Step by Step Solution
- Step 1: Write the proportion equation
11,116,883.75 : 15,337,802.51 = 6,221,327.99 : x - Step 2: Convert to fraction form
11,116,883.75/15,337,802.51 = 6,221,327.99/x - Step 3: Cross multiply
11,116,883.75x = 15,337,802.51 × 6,221,327.99 - Step 4: Simplify right side
11,116,883.75x = 95,421,500,060,555.25 - Step 5: Solve for x
x = 95,421,500,060,555.25/11,116,883.75 - Step 6: Final answer
x = 8,583,475.57
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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.