Finding the Fourth Proportional to 16,218,645.58, 22,381,790.19 and 8,776,307.63
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Solution
The fourth proportional to 16,218,645.58, 22,381,790.19 and 8,776,307.63 is: 12,111,336.61
Step by Step Solution
- Step 1: Write the proportion equation
16,218,645.58 : 22,381,790.19 = 8,776,307.63 : x - Step 2: Convert to fraction form
16,218,645.58/22,381,790.19 = 8,776,307.63/x - Step 3: Cross multiply
16,218,645.58x = 22,381,790.19 × 8,776,307.63 - Step 4: Simplify right side
16,218,645.58x = 196,429,476,017,556.19 - Step 5: Solve for x
x = 196,429,476,017,556.19/16,218,645.58 - Step 6: Final answer
x = 12,111,336.61
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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.