Finding the Fourth Proportional to 14,487,014.16, 19,972,102.91 and 11,556,776.75
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Solution
The fourth proportional to 14,487,014.16, 19,972,102.91 and 11,556,776.75 is: 15,932,415.88
Step by Step Solution
- Step 1: Write the proportion equation
14,487,014.16 : 19,972,102.91 = 11,556,776.75 : x - Step 2: Convert to fraction form
14,487,014.16/19,972,102.91 = 11,556,776.75/x - Step 3: Cross multiply
14,487,014.16x = 19,972,102.91 × 11,556,776.75 - Step 4: Simplify right side
14,487,014.16x = 230,813,134,401,250.94 - Step 5: Solve for x
x = 230,813,134,401,250.94/14,487,014.16 - Step 6: Final answer
x = 15,932,415.88
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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.