Finding the Fourth Proportional to 13,052,352.15, 18,015,126.98 and 7,253,127.99
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Solution
The fourth proportional to 13,052,352.15, 18,015,126.98 and 7,253,127.99 is: 10,010,917.59
Step by Step Solution
- Step 1: Write the proportion equation
13,052,352.15 : 18,015,126.98 = 7,253,127.99 : x - Step 2: Convert to fraction form
13,052,352.15/18,015,126.98 = 7,253,127.99/x - Step 3: Cross multiply
13,052,352.15x = 18,015,126.98 × 7,253,127.99 - Step 4: Simplify right side
13,052,352.15x = 130,666,021,705,776.55 - Step 5: Solve for x
x = 130,666,021,705,776.55/13,052,352.15 - Step 6: Final answer
x = 10,010,917.59
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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.