Finding the Fourth Proportional to 11,649,529.74, 16,075,659.33 and 6,686,824.53
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Solution
The fourth proportional to 11,649,529.74, 16,075,659.33 and 6,686,824.53 is: 9,227,420.81
Step by Step Solution
- Step 1: Write the proportion equation
11,649,529.74 : 16,075,659.33 = 6,686,824.53 : x - Step 2: Convert to fraction form
11,649,529.74/16,075,659.33 = 6,686,824.53/x - Step 3: Cross multiply
11,649,529.74x = 16,075,659.33 × 6,686,824.53 - Step 4: Simplify right side
11,649,529.74x = 107,495,113,143,767.38 - Step 5: Solve for x
x = 107,495,113,143,767.38/11,649,529.74 - Step 6: Final answer
x = 9,227,420.81
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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.