Finding the Fourth Proportional to 19,948,313.34, 29,931,111.09 and 10,715,512.65
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Solution
The fourth proportional to 19,948,313.34, 29,931,111.09 and 10,715,512.65 is: 16,077,910.65
Step by Step Solution
- Step 1: Write the proportion equation
19,948,313.34 : 29,931,111.09 = 10,715,512.65 : x - Step 2: Convert to fraction form
19,948,313.34/29,931,111.09 = 10,715,512.65/x - Step 3: Cross multiply
19,948,313.34x = 29,931,111.09 × 10,715,512.65 - Step 4: Simplify right side
19,948,313.34x = 320,727,199,401,208.62 - Step 5: Solve for x
x = 320,727,199,401,208.62/19,948,313.34 - Step 6: Final answer
x = 16,077,910.65
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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.