Finding the Fourth Proportional to 38,272,964.80, 57,408,064.80 and 15,553,220.80
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Solution
The fourth proportional to 38,272,964.80, 57,408,064.80 and 15,553,220.80 is: 23,329,269.43
Step by Step Solution
- Step 1: Write the proportion equation
38,272,964.80 : 57,408,064.80 = 15,553,220.80 : x - Step 2: Convert to fraction form
38,272,964.80/57,408,064.80 = 15,553,220.80/x - Step 3: Cross multiply
38,272,964.80x = 57,408,064.80 × 15,553,220.80 - Step 4: Simplify right side
38,272,964.80x = 892,880,307,535,107.88 - Step 5: Solve for x
x = 892,880,307,535,107.88/38,272,964.80 - Step 6: Final answer
x = 23,329,269.43
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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.