Finding the Fourth Proportional to 10,692,162.20, 16,014,623.70 and 4,299,123.80
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Solution
The fourth proportional to 10,692,162.20, 16,014,623.70 and 4,299,123.80 is: 6,439,188.69
Step by Step Solution
- Step 1: Write the proportion equation
10,692,162.20 : 16,014,623.70 = 4,299,123.80 : x - Step 2: Convert to fraction form
10,692,162.20/16,014,623.70 = 4,299,123.80/x - Step 3: Cross multiply
10,692,162.20x = 16,014,623.70 × 4,299,123.80 - Step 4: Simplify right side
10,692,162.20x = 68,848,849,896,714.05 - Step 5: Solve for x
x = 68,848,849,896,714.05/10,692,162.20 - Step 6: Final answer
x = 6,439,188.69
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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.