Finding the Fourth Proportional to 14,385,615.40, 21,575,658.30 and 4,288,565.80
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Solution
The fourth proportional to 14,385,615.40, 21,575,658.30 and 4,288,565.80 is: 6,432,024.47
Step by Step Solution
- Step 1: Write the proportion equation
14,385,615.40 : 21,575,658.30 = 4,288,565.80 : x - Step 2: Convert to fraction form
14,385,615.40/21,575,658.30 = 4,288,565.80/x - Step 3: Cross multiply
14,385,615.40x = 21,575,658.30 × 4,288,565.80 - Step 4: Simplify right side
14,385,615.40x = 92,528,630,297,866.14 - Step 5: Solve for x
x = 92,528,630,297,866.14/14,385,615.40 - Step 6: Final answer
x = 6,432,024.47
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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.