Finding the Fourth Proportional to 21,440,696.97, 32,167,048.77 and 8,670,169.74
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Solution
The fourth proportional to 21,440,696.97, 32,167,048.77 and 8,670,169.74 is: 13,007,682.23
Step by Step Solution
- Step 1: Write the proportion equation
21,440,696.97 : 32,167,048.77 = 8,670,169.74 : x - Step 2: Convert to fraction form
21,440,696.97/32,167,048.77 = 8,670,169.74/x - Step 3: Cross multiply
21,440,696.97x = 32,167,048.77 × 8,670,169.74 - Step 4: Simplify right side
21,440,696.97x = 278,893,772,870,758.22 - Step 5: Solve for x
x = 278,893,772,870,758.22/21,440,696.97 - Step 6: Final answer
x = 13,007,682.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.