Finding the Fourth Proportional to 18,523,605.30, 27,801,154.35 and 8,304,191.70
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Solution
The fourth proportional to 18,523,605.30, 27,801,154.35 and 8,304,191.70 is: 12,463,346.71
Step by Step Solution
- Step 1: Write the proportion equation
18,523,605.30 : 27,801,154.35 = 8,304,191.70 : x - Step 2: Convert to fraction form
18,523,605.30/27,801,154.35 = 8,304,191.70/x - Step 3: Cross multiply
18,523,605.30x = 27,801,154.35 × 8,304,191.70 - Step 4: Simplify right side
18,523,605.30x = 230,866,115,203,688.91 - Step 5: Solve for x
x = 230,866,115,203,688.91/18,523,605.30 - Step 6: Final answer
x = 12,463,346.71
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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.