Finding the Fourth Proportional to 19,771,446.44, 29,603,645.74 and 13,990,418.12
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Solution
The fourth proportional to 19,771,446.44, 29,603,645.74 and 13,990,418.12 is: 20,947,753.27
Step by Step Solution
- Step 1: Write the proportion equation
19,771,446.44 : 29,603,645.74 = 13,990,418.12 : x - Step 2: Convert to fraction form
19,771,446.44/29,603,645.74 = 13,990,418.12/x - Step 3: Cross multiply
19,771,446.44x = 29,603,645.74 × 13,990,418.12 - Step 4: Simplify right side
19,771,446.44x = 414,167,381,778,956.75 - Step 5: Solve for x
x = 414,167,381,778,956.75/19,771,446.44 - Step 6: Final answer
x = 20,947,753.27
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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.