Finding the Fourth Proportional to 36,429,058.20, 54,680,562.18 and 18,246,281.88
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Solution
The fourth proportional to 36,429,058.20, 54,680,562.18 and 18,246,281.88 is: 27,387,942.49
Step by Step Solution
- Step 1: Write the proportion equation
36,429,058.20 : 54,680,562.18 = 18,246,281.88 : x - Step 2: Convert to fraction form
36,429,058.20/54,680,562.18 = 18,246,281.88/x - Step 3: Cross multiply
36,429,058.20x = 54,680,562.18 × 18,246,281.88 - Step 4: Simplify right side
36,429,058.20x = 997,716,950,893,147.25 - Step 5: Solve for x
x = 997,716,950,893,147.25/36,429,058.20 - Step 6: Final answer
x = 27,387,942.49
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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.