Finding the Fourth Proportional to 11,278,051.87, 15,563,294.61 and 6,121,303.51
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Solution
The fourth proportional to 11,278,051.87, 15,563,294.61 and 6,121,303.51 is: 8,447,172.53
Step by Step Solution
- Step 1: Write the proportion equation
11,278,051.87 : 15,563,294.61 = 6,121,303.51 : x - Step 2: Convert to fraction form
11,278,051.87/15,563,294.61 = 6,121,303.51/x - Step 3: Cross multiply
11,278,051.87x = 15,563,294.61 × 6,121,303.51 - Step 4: Simplify right side
11,278,051.87x = 95,267,649,923,357.08 - Step 5: Solve for x
x = 95,267,649,923,357.08/11,278,051.87 - Step 6: Final answer
x = 8,447,172.53
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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.