Finding the Fourth Proportional to 10,015,039.35, 15,039,750.75 and 6,147,208.79
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Solution
The fourth proportional to 10,015,039.35, 15,039,750.75 and 6,147,208.79 is: 9,231,365.43
Step by Step Solution
- Step 1: Write the proportion equation
10,015,039.35 : 15,039,750.75 = 6,147,208.79 : x - Step 2: Convert to fraction form
10,015,039.35/15,039,750.75 = 6,147,208.79/x - Step 3: Cross multiply
10,015,039.35x = 15,039,750.75 × 6,147,208.79 - Step 4: Simplify right side
10,015,039.35x = 92,452,488,009,809.09 - Step 5: Solve for x
x = 92,452,488,009,809.09/10,015,039.35 - Step 6: Final answer
x = 9,231,365.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.